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Finding the Fourth Proportional to 7,400.84, 10,215.02 and 4,752.87

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Solution

The fourth proportional to 7,400.84, 10,215.02 and 4,752.87 is: 6,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.84 : 10,215.02 = 4,752.87 : x
  2. Step 2: Convert to fraction form
    7,400.84/10,215.02 = 4,752.87/x
  3. Step 3: Cross multiply
    7,400.84x = 10,215.02 × 4,752.87
  4. Step 4: Simplify right side
    7,400.84x = 48,550,635.68
  5. Step 5: Solve for x
    x = 48,550,635.68/7,400.84
  6. Step 6: Final answer
    x = 6,560.15

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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.