Home / 4,989.38-7,478.85-1,701.32

Finding the Fourth Proportional to 4,989.38, 7,478.85 and 1,701.32

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Solution

The fourth proportional to 4,989.38, 7,478.85 and 1,701.32 is: 2,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.38 : 7,478.85 = 1,701.32 : x
  2. Step 2: Convert to fraction form
    4,989.38/7,478.85 = 1,701.32/x
  3. Step 3: Cross multiply
    4,989.38x = 7,478.85 × 1,701.32
  4. Step 4: Simplify right side
    4,989.38x = 12,723,917.08
  5. Step 5: Solve for x
    x = 12,723,917.08/4,989.38
  6. Step 6: Final answer
    x = 2,550.20

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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.