Home / 5,426.09-8,139.95-1,727.23

Finding the Fourth Proportional to 5,426.09, 8,139.95 and 1,727.23

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Solution

The fourth proportional to 5,426.09, 8,139.95 and 1,727.23 is: 2,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.09 : 8,139.95 = 1,727.23 : x
  2. Step 2: Convert to fraction form
    5,426.09/8,139.95 = 1,727.23/x
  3. Step 3: Cross multiply
    5,426.09x = 8,139.95 × 1,727.23
  4. Step 4: Simplify right side
    5,426.09x = 14,059,516.50
  5. Step 5: Solve for x
    x = 14,059,516.50/5,426.09
  6. Step 6: Final answer
    x = 2,591.10

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Half scale
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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.