Home / 5,389.59-8,084.34-1,691.91

Finding the Fourth Proportional to 5,389.59, 8,084.34 and 1,691.91

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Solution

The fourth proportional to 5,389.59, 8,084.34 and 1,691.91 is: 2,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.59 : 8,084.34 = 1,691.91 : x
  2. Step 2: Convert to fraction form
    5,389.59/8,084.34 = 1,691.91/x
  3. Step 3: Cross multiply
    5,389.59x = 8,084.34 × 1,691.91
  4. Step 4: Simplify right side
    5,389.59x = 13,677,975.69
  5. Step 5: Solve for x
    x = 13,677,975.69/5,389.59
  6. Step 6: Final answer
    x = 2,537.85

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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.