Home / 8,501.16-12,737.35-5,207.38

Finding the Fourth Proportional to 8,501.16, 12,737.35 and 5,207.38

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Solution

The fourth proportional to 8,501.16, 12,737.35 and 5,207.38 is: 7,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.16 : 12,737.35 = 5,207.38 : x
  2. Step 2: Convert to fraction form
    8,501.16/12,737.35 = 5,207.38/x
  3. Step 3: Cross multiply
    8,501.16x = 12,737.35 × 5,207.38
  4. Step 4: Simplify right side
    8,501.16x = 66,328,176.78
  5. Step 5: Solve for x
    x = 66,328,176.78/8,501.16
  6. Step 6: Final answer
    x = 7,802.25

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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.