Home / 8,725.28-12,040.52-4,746.40

Finding the Fourth Proportional to 8,725.28, 12,040.52 and 4,746.40

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Solution

The fourth proportional to 8,725.28, 12,040.52 and 4,746.40 is: 6,549.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.28 : 12,040.52 = 4,746.40 : x
  2. Step 2: Convert to fraction form
    8,725.28/12,040.52 = 4,746.40/x
  3. Step 3: Cross multiply
    8,725.28x = 12,040.52 × 4,746.40
  4. Step 4: Simplify right side
    8,725.28x = 57,149,070.29
  5. Step 5: Solve for x
    x = 57,149,070.29/8,725.28
  6. Step 6: Final answer
    x = 6,549.83

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1.5x scale

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.