Home / 4,293.87-6,439.62-1,520.18

Finding the Fourth Proportional to 4,293.87, 6,439.62 and 1,520.18

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Solution

The fourth proportional to 4,293.87, 6,439.62 and 1,520.18 is: 2,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.87 : 6,439.62 = 1,520.18 : x
  2. Step 2: Convert to fraction form
    4,293.87/6,439.62 = 1,520.18/x
  3. Step 3: Cross multiply
    4,293.87x = 6,439.62 × 1,520.18
  4. Step 4: Simplify right side
    4,293.87x = 9,789,397.63
  5. Step 5: Solve for x
    x = 9,789,397.63/4,293.87
  6. Step 6: Final answer
    x = 2,279.85

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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.