Home / 7,528.10-11,292.64-1,981.58

Finding the Fourth Proportional to 7,528.10, 11,292.64 and 1,981.58

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Solution

The fourth proportional to 7,528.10, 11,292.64 and 1,981.58 is: 2,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.10 : 11,292.64 = 1,981.58 : x
  2. Step 2: Convert to fraction form
    7,528.10/11,292.64 = 1,981.58/x
  3. Step 3: Cross multiply
    7,528.10x = 11,292.64 × 1,981.58
  4. Step 4: Simplify right side
    7,528.10x = 22,377,269.57
  5. Step 5: Solve for x
    x = 22,377,269.57/7,528.10
  6. Step 6: Final answer
    x = 2,972.50

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.