Home / 4,213.04-6,319.18-1,439.78

Finding the Fourth Proportional to 4,213.04, 6,319.18 and 1,439.78

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Solution

The fourth proportional to 4,213.04, 6,319.18 and 1,439.78 is: 2,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.04 : 6,319.18 = 1,439.78 : x
  2. Step 2: Convert to fraction form
    4,213.04/6,319.18 = 1,439.78/x
  3. Step 3: Cross multiply
    4,213.04x = 6,319.18 × 1,439.78
  4. Step 4: Simplify right side
    4,213.04x = 9,098,228.98
  5. Step 5: Solve for x
    x = 9,098,228.98/4,213.04
  6. Step 6: Final answer
    x = 2,159.54

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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.