Home / 7,039.71-10,555.11-5,995.62

Finding the Fourth Proportional to 7,039.71, 10,555.11 and 5,995.62

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Solution

The fourth proportional to 7,039.71, 10,555.11 and 5,995.62 is: 8,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.71 : 10,555.11 = 5,995.62 : x
  2. Step 2: Convert to fraction form
    7,039.71/10,555.11 = 5,995.62/x
  3. Step 3: Cross multiply
    7,039.71x = 10,555.11 × 5,995.62
  4. Step 4: Simplify right side
    7,039.71x = 63,284,428.62
  5. Step 5: Solve for x
    x = 63,284,428.62/7,039.71
  6. Step 6: Final answer
    x = 8,989.64

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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.