Home / 5,439.24-8,159.57-1,742.60

Finding the Fourth Proportional to 5,439.24, 8,159.57 and 1,742.60

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Solution

The fourth proportional to 5,439.24, 8,159.57 and 1,742.60 is: 2,614.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.24 : 8,159.57 = 1,742.60 : x
  2. Step 2: Convert to fraction form
    5,439.24/8,159.57 = 1,742.60/x
  3. Step 3: Cross multiply
    5,439.24x = 8,159.57 × 1,742.60
  4. Step 4: Simplify right side
    5,439.24x = 14,218,817.17
  5. Step 5: Solve for x
    x = 14,218,817.17/5,439.24
  6. Step 6: Final answer
    x = 2,614.12

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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.