Home / 4,345.28-6,517.90-1,423.56

Finding the Fourth Proportional to 4,345.28, 6,517.90 and 1,423.56

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Solution

The fourth proportional to 4,345.28, 6,517.90 and 1,423.56 is: 2,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.28 : 6,517.90 = 1,423.56 : x
  2. Step 2: Convert to fraction form
    4,345.28/6,517.90 = 1,423.56/x
  3. Step 3: Cross multiply
    4,345.28x = 6,517.90 × 1,423.56
  4. Step 4: Simplify right side
    4,345.28x = 9,278,621.72
  5. Step 5: Solve for x
    x = 9,278,621.72/4,345.28
  6. Step 6: Final answer
    x = 2,135.33

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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.