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Finding the Fourth Proportional to 7,253.88, 10,013.76 and 4,268.76

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Solution

The fourth proportional to 7,253.88, 10,013.76 and 4,268.76 is: 5,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.88 : 10,013.76 = 4,268.76 : x
  2. Step 2: Convert to fraction form
    7,253.88/10,013.76 = 4,268.76/x
  3. Step 3: Cross multiply
    7,253.88x = 10,013.76 × 4,268.76
  4. Step 4: Simplify right side
    7,253.88x = 42,746,338.14
  5. Step 5: Solve for x
    x = 42,746,338.14/7,253.88
  6. Step 6: Final answer
    x = 5,892.89

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1.5x scale

Why These Related Problems?

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