Home / 5,095.14-7,642.71-1,397.22

Finding the Fourth Proportional to 5,095.14, 7,642.71 and 1,397.22

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Solution

The fourth proportional to 5,095.14, 7,642.71 and 1,397.22 is: 2,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.14 : 7,642.71 = 1,397.22 : x
  2. Step 2: Convert to fraction form
    5,095.14/7,642.71 = 1,397.22/x
  3. Step 3: Cross multiply
    5,095.14x = 7,642.71 × 1,397.22
  4. Step 4: Simplify right side
    5,095.14x = 10,678,547.27
  5. Step 5: Solve for x
    x = 10,678,547.27/5,095.14
  6. Step 6: Final answer
    x = 2,095.83

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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.