Home / 8,707.19-13,057.45-4,262.12

Finding the Fourth Proportional to 8,707.19, 13,057.45 and 4,262.12

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Solution

The fourth proportional to 8,707.19, 13,057.45 and 4,262.12 is: 6,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.19 : 13,057.45 = 4,262.12 : x
  2. Step 2: Convert to fraction form
    8,707.19/13,057.45 = 4,262.12/x
  3. Step 3: Cross multiply
    8,707.19x = 13,057.45 × 4,262.12
  4. Step 4: Simplify right side
    8,707.19x = 55,652,332.20
  5. Step 5: Solve for x
    x = 55,652,332.20/8,707.19
  6. Step 6: Final answer
    x = 6,391.54

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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.