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Finding the Fourth Proportional to 7,700.97, 10,627.45 and 4,715.72

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Solution

The fourth proportional to 7,700.97, 10,627.45 and 4,715.72 is: 6,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.97 : 10,627.45 = 4,715.72 : x
  2. Step 2: Convert to fraction form
    7,700.97/10,627.45 = 4,715.72/x
  3. Step 3: Cross multiply
    7,700.97x = 10,627.45 × 4,715.72
  4. Step 4: Simplify right side
    7,700.97x = 50,116,079.97
  5. Step 5: Solve for x
    x = 50,116,079.97/7,700.97
  6. Step 6: Final answer
    x = 6,507.76

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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.