Home / 8,290.08-11,439.03-4,752.61

Finding the Fourth Proportional to 8,290.08, 11,439.03 and 4,752.61

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Solution

The fourth proportional to 8,290.08, 11,439.03 and 4,752.61 is: 6,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.08 : 11,439.03 = 4,752.61 : x
  2. Step 2: Convert to fraction form
    8,290.08/11,439.03 = 4,752.61/x
  3. Step 3: Cross multiply
    8,290.08x = 11,439.03 × 4,752.61
  4. Step 4: Simplify right side
    8,290.08x = 54,365,244.84
  5. Step 5: Solve for x
    x = 54,365,244.84/8,290.08
  6. Step 6: Final answer
    x = 6,557.86

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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.