Home / 8,275.45-12,417.14-5,154.61

Finding the Fourth Proportional to 8,275.45, 12,417.14 and 5,154.61

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Solution

The fourth proportional to 8,275.45, 12,417.14 and 5,154.61 is: 7,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.45 : 12,417.14 = 5,154.61 : x
  2. Step 2: Convert to fraction form
    8,275.45/12,417.14 = 5,154.61/x
  3. Step 3: Cross multiply
    8,275.45x = 12,417.14 × 5,154.61
  4. Step 4: Simplify right side
    8,275.45x = 64,005,514.02
  5. Step 5: Solve for x
    x = 64,005,514.02/8,275.45
  6. Step 6: Final answer
    x = 7,734.38

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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.