Home / 9,278.32-13,920.90-4,349.56

Finding the Fourth Proportional to 9,278.32, 13,920.90 and 4,349.56

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Solution

The fourth proportional to 9,278.32, 13,920.90 and 4,349.56 is: 6,525.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.32 : 13,920.90 = 4,349.56 : x
  2. Step 2: Convert to fraction form
    9,278.32/13,920.90 = 4,349.56/x
  3. Step 3: Cross multiply
    9,278.32x = 13,920.90 × 4,349.56
  4. Step 4: Simplify right side
    9,278.32x = 60,549,789.80
  5. Step 5: Solve for x
    x = 60,549,789.80/9,278.32
  6. Step 6: Final answer
    x = 6,525.94

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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.