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Finding the Fourth Proportional to 7,461.32, 10,296.88 and 4,104.38

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Solution

The fourth proportional to 7,461.32, 10,296.88 and 4,104.38 is: 5,664.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461.32 : 10,296.88 = 4,104.38 : x
  2. Step 2: Convert to fraction form
    7,461.32/10,296.88 = 4,104.38/x
  3. Step 3: Cross multiply
    7,461.32x = 10,296.88 × 4,104.38
  4. Step 4: Simplify right side
    7,461.32x = 42,262,323.82
  5. Step 5: Solve for x
    x = 42,262,323.82/7,461.32
  6. Step 6: Final answer
    x = 5,664.19

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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.