Home / 9,278.20-13,919.36-4,600.75

Finding the Fourth Proportional to 9,278.20, 13,919.36 and 4,600.75

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Solution

The fourth proportional to 9,278.20, 13,919.36 and 4,600.75 is: 6,902.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.20 : 13,919.36 = 4,600.75 : x
  2. Step 2: Convert to fraction form
    9,278.20/13,919.36 = 4,600.75/x
  3. Step 3: Cross multiply
    9,278.20x = 13,919.36 × 4,600.75
  4. Step 4: Simplify right side
    9,278.20x = 64,039,495.52
  5. Step 5: Solve for x
    x = 64,039,495.52/9,278.20
  6. Step 6: Final answer
    x = 6,902.15

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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.