Home / 9,327.28-12,867.60-5,347.48

Finding the Fourth Proportional to 9,327.28, 12,867.60 and 5,347.48

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Solution

The fourth proportional to 9,327.28, 12,867.60 and 5,347.48 is: 7,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.28 : 12,867.60 = 5,347.48 : x
  2. Step 2: Convert to fraction form
    9,327.28/12,867.60 = 5,347.48/x
  3. Step 3: Cross multiply
    9,327.28x = 12,867.60 × 5,347.48
  4. Step 4: Simplify right side
    9,327.28x = 68,809,233.65
  5. Step 5: Solve for x
    x = 68,809,233.65/9,327.28
  6. Step 6: Final answer
    x = 7,377.20

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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.