Home / 5,391.68-8,087.49-1,694.18

Finding the Fourth Proportional to 5,391.68, 8,087.49 and 1,694.18

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Solution

The fourth proportional to 5,391.68, 8,087.49 and 1,694.18 is: 2,541.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.68 : 8,087.49 = 1,694.18 : x
  2. Step 2: Convert to fraction form
    5,391.68/8,087.49 = 1,694.18/x
  3. Step 3: Cross multiply
    5,391.68x = 8,087.49 × 1,694.18
  4. Step 4: Simplify right side
    5,391.68x = 13,701,663.81
  5. Step 5: Solve for x
    x = 13,701,663.81/5,391.68
  6. Step 6: Final answer
    x = 2,541.26

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Half scale
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Double scale
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Similar ratio
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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.