Home / 8,975.56-13,443.88-5,680.48

Finding the Fourth Proportional to 8,975.56, 13,443.88 and 5,680.48

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Solution

The fourth proportional to 8,975.56, 13,443.88 and 5,680.48 is: 8,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.56 : 13,443.88 = 5,680.48 : x
  2. Step 2: Convert to fraction form
    8,975.56/13,443.88 = 5,680.48/x
  3. Step 3: Cross multiply
    8,975.56x = 13,443.88 × 5,680.48
  4. Step 4: Simplify right side
    8,975.56x = 76,367,691.46
  5. Step 5: Solve for x
    x = 76,367,691.46/8,975.56
  6. Step 6: Final answer
    x = 8,508.40

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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.