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Finding the Fourth Proportional to 7,503.91, 10,354.80 and 4,146.87

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Solution

The fourth proportional to 7,503.91, 10,354.80 and 4,146.87 is: 5,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.91 : 10,354.80 = 4,146.87 : x
  2. Step 2: Convert to fraction form
    7,503.91/10,354.80 = 4,146.87/x
  3. Step 3: Cross multiply
    7,503.91x = 10,354.80 × 4,146.87
  4. Step 4: Simplify right side
    7,503.91x = 42,940,009.48
  5. Step 5: Solve for x
    x = 42,940,009.48/7,503.91
  6. Step 6: Final answer
    x = 5,722.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.