Home / 7,712.47-11,545.10-4,941.81

Finding the Fourth Proportional to 7,712.47, 11,545.10 and 4,941.81

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Solution

The fourth proportional to 7,712.47, 11,545.10 and 4,941.81 is: 7,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.47 : 11,545.10 = 4,941.81 : x
  2. Step 2: Convert to fraction form
    7,712.47/11,545.10 = 4,941.81/x
  3. Step 3: Cross multiply
    7,712.47x = 11,545.10 × 4,941.81
  4. Step 4: Simplify right side
    7,712.47x = 57,053,690.63
  5. Step 5: Solve for x
    x = 57,053,690.63/7,712.47
  6. Step 6: Final answer
    x = 7,397.59

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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.