Home / 7,724.18-11,586.09-1,880.84

Finding the Fourth Proportional to 7,724.18, 11,586.09 and 1,880.84

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Solution

The fourth proportional to 7,724.18, 11,586.09 and 1,880.84 is: 2,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.18 : 11,586.09 = 1,880.84 : x
  2. Step 2: Convert to fraction form
    7,724.18/11,586.09 = 1,880.84/x
  3. Step 3: Cross multiply
    7,724.18x = 11,586.09 × 1,880.84
  4. Step 4: Simplify right side
    7,724.18x = 21,791,581.52
  5. Step 5: Solve for x
    x = 21,791,581.52/7,724.18
  6. Step 6: Final answer
    x = 2,821.22

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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.