Home / 8,288.80-12,437.52-5,366.32

Finding the Fourth Proportional to 8,288.80, 12,437.52 and 5,366.32

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Solution

The fourth proportional to 8,288.80, 12,437.52 and 5,366.32 is: 8,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.80 : 12,437.52 = 5,366.32 : x
  2. Step 2: Convert to fraction form
    8,288.80/12,437.52 = 5,366.32/x
  3. Step 3: Cross multiply
    8,288.80x = 12,437.52 × 5,366.32
  4. Step 4: Simplify right side
    8,288.80x = 66,743,712.33
  5. Step 5: Solve for x
    x = 66,743,712.33/8,288.80
  6. Step 6: Final answer
    x = 8,052.28

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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.