Home / 5,439.92-8,159.68-1,544.30

Finding the Fourth Proportional to 5,439.92, 8,159.68 and 1,544.30

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Solution

The fourth proportional to 5,439.92, 8,159.68 and 1,544.30 is: 2,316.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.92 : 8,159.68 = 1,544.30 : x
  2. Step 2: Convert to fraction form
    5,439.92/8,159.68 = 1,544.30/x
  3. Step 3: Cross multiply
    5,439.92x = 8,159.68 × 1,544.30
  4. Step 4: Simplify right side
    5,439.92x = 12,600,945.30
  5. Step 5: Solve for x
    x = 12,600,945.30/5,439.92
  6. Step 6: Final answer
    x = 2,316.38

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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.