Home / 6,532.10-9,018.14-3,980.81

Finding the Fourth Proportional to 6,532.10, 9,018.14 and 3,980.81

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Solution

The fourth proportional to 6,532.10, 9,018.14 and 3,980.81 is: 5,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,532.10 : 9,018.14 = 3,980.81 : x
  2. Step 2: Convert to fraction form
    6,532.10/9,018.14 = 3,980.81/x
  3. Step 3: Cross multiply
    6,532.10x = 9,018.14 × 3,980.81
  4. Step 4: Simplify right side
    6,532.10x = 35,899,436.90
  5. Step 5: Solve for x
    x = 35,899,436.90/6,532.10
  6. Step 6: Final answer
    x = 5,495.85

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.