Home / 7,532.10-11,298.15-1,986.30

Finding the Fourth Proportional to 7,532.10, 11,298.15 and 1,986.30

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Solution

The fourth proportional to 7,532.10, 11,298.15 and 1,986.30 is: 2,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,532.10 : 11,298.15 = 1,986.30 : x
  2. Step 2: Convert to fraction form
    7,532.10/11,298.15 = 1,986.30/x
  3. Step 3: Cross multiply
    7,532.10x = 11,298.15 × 1,986.30
  4. Step 4: Simplify right side
    7,532.10x = 22,441,515.35
  5. Step 5: Solve for x
    x = 22,441,515.35/7,532.10
  6. Step 6: Final answer
    x = 2,979.45

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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.