Home / 8,287.20-11,436.66-4,751.46

Finding the Fourth Proportional to 8,287.20, 11,436.66 and 4,751.46

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Solution

The fourth proportional to 8,287.20, 11,436.66 and 4,751.46 is: 6,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.20 : 11,436.66 = 4,751.46 : x
  2. Step 2: Convert to fraction form
    8,287.20/11,436.66 = 4,751.46/x
  3. Step 3: Cross multiply
    8,287.20x = 11,436.66 × 4,751.46
  4. Step 4: Simplify right side
    8,287.20x = 54,340,832.52
  5. Step 5: Solve for x
    x = 54,340,832.52/8,287.20
  6. Step 6: Final answer
    x = 6,557.20

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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.