Home / 8,759.90-13,132.45-4,077.49

Finding the Fourth Proportional to 8,759.90, 13,132.45 and 4,077.49

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Solution

The fourth proportional to 8,759.90, 13,132.45 and 4,077.49 is: 6,112.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.90 : 13,132.45 = 4,077.49 : x
  2. Step 2: Convert to fraction form
    8,759.90/13,132.45 = 4,077.49/x
  3. Step 3: Cross multiply
    8,759.90x = 13,132.45 × 4,077.49
  4. Step 4: Simplify right side
    8,759.90x = 53,547,433.55
  5. Step 5: Solve for x
    x = 53,547,433.55/8,759.90
  6. Step 6: Final answer
    x = 6,112.79

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1.5x scale

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.