Home / 8,501.60-12,752.40-2,658.32

Finding the Fourth Proportional to 8,501.60, 12,752.40 and 2,658.32

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Solution

The fourth proportional to 8,501.60, 12,752.40 and 2,658.32 is: 3,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.60 : 12,752.40 = 2,658.32 : x
  2. Step 2: Convert to fraction form
    8,501.60/12,752.40 = 2,658.32/x
  3. Step 3: Cross multiply
    8,501.60x = 12,752.40 × 2,658.32
  4. Step 4: Simplify right side
    8,501.60x = 33,899,959.97
  5. Step 5: Solve for x
    x = 33,899,959.97/8,501.60
  6. Step 6: Final answer
    x = 3,987.48

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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.