Home / 9,288.82-12,818.40-5,255.59

Finding the Fourth Proportional to 9,288.82, 12,818.40 and 5,255.59

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Solution

The fourth proportional to 9,288.82, 12,818.40 and 5,255.59 is: 7,252.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.82 : 12,818.40 = 5,255.59 : x
  2. Step 2: Convert to fraction form
    9,288.82/12,818.40 = 5,255.59/x
  3. Step 3: Cross multiply
    9,288.82x = 12,818.40 × 5,255.59
  4. Step 4: Simplify right side
    9,288.82x = 67,368,254.86
  5. Step 5: Solve for x
    x = 67,368,254.86/9,288.82
  6. Step 6: Final answer
    x = 7,252.62

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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.