Home / 5,439.72-8,159.55-1,544.13

Finding the Fourth Proportional to 5,439.72, 8,159.55 and 1,544.13

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Solution

The fourth proportional to 5,439.72, 8,159.55 and 1,544.13 is: 2,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.72 : 8,159.55 = 1,544.13 : x
  2. Step 2: Convert to fraction form
    5,439.72/8,159.55 = 1,544.13/x
  3. Step 3: Cross multiply
    5,439.72x = 8,159.55 × 1,544.13
  4. Step 4: Simplify right side
    5,439.72x = 12,599,405.94
  5. Step 5: Solve for x
    x = 12,599,405.94/5,439.72
  6. Step 6: Final answer
    x = 2,316.19

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Double scale
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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.