Home / 9,254.30-12,767.83-5,272.61

Finding the Fourth Proportional to 9,254.30, 12,767.83 and 5,272.61

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Solution

The fourth proportional to 9,254.30, 12,767.83 and 5,272.61 is: 7,274.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,254.30 : 12,767.83 = 5,272.61 : x
  2. Step 2: Convert to fraction form
    9,254.30/12,767.83 = 5,272.61/x
  3. Step 3: Cross multiply
    9,254.30x = 12,767.83 × 5,272.61
  4. Step 4: Simplify right side
    9,254.30x = 67,319,761.77
  5. Step 5: Solve for x
    x = 67,319,761.77/9,254.30
  6. Step 6: Final answer
    x = 7,274.43

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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.