Home / 10,537.80-15,795.42-5,262.40

Finding the Fourth Proportional to 10,537.80, 15,795.42 and 5,262.40

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Solution

The fourth proportional to 10,537.80, 15,795.42 and 5,262.40 is: 7,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,537.80 : 15,795.42 = 5,262.40 : x
  2. Step 2: Convert to fraction form
    10,537.80/15,795.42 = 5,262.40/x
  3. Step 3: Cross multiply
    10,537.80x = 15,795.42 × 5,262.40
  4. Step 4: Simplify right side
    10,537.80x = 83,121,818.21
  5. Step 5: Solve for x
    x = 83,121,818.21/10,537.80
  6. Step 6: Final answer
    x = 7,887.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.