Home / 5,316.67-7,343.15-3,545.20

Finding the Fourth Proportional to 5,316.67, 7,343.15 and 3,545.20

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Solution

The fourth proportional to 5,316.67, 7,343.15 and 3,545.20 is: 4,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.67 : 7,343.15 = 3,545.20 : x
  2. Step 2: Convert to fraction form
    5,316.67/7,343.15 = 3,545.20/x
  3. Step 3: Cross multiply
    5,316.67x = 7,343.15 × 3,545.20
  4. Step 4: Simplify right side
    5,316.67x = 26,032,935.38
  5. Step 5: Solve for x
    x = 26,032,935.38/5,316.67
  6. Step 6: Final answer
    x = 4,896.47

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Double scale
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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.