Home / 9,247.85-12,761.34-5,268.18

Finding the Fourth Proportional to 9,247.85, 12,761.34 and 5,268.18

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Solution

The fourth proportional to 9,247.85, 12,761.34 and 5,268.18 is: 7,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.85 : 12,761.34 = 5,268.18 : x
  2. Step 2: Convert to fraction form
    9,247.85/12,761.34 = 5,268.18/x
  3. Step 3: Cross multiply
    9,247.85x = 12,761.34 × 5,268.18
  4. Step 4: Simplify right side
    9,247.85x = 67,229,036.16
  5. Step 5: Solve for x
    x = 67,229,036.16/9,247.85
  6. Step 6: Final answer
    x = 7,269.70

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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.