Home / 5,389.56-8,084.44-1,691.70

Finding the Fourth Proportional to 5,389.56, 8,084.44 and 1,691.70

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Solution

The fourth proportional to 5,389.56, 8,084.44 and 1,691.70 is: 2,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.56 : 8,084.44 = 1,691.70 : x
  2. Step 2: Convert to fraction form
    5,389.56/8,084.44 = 1,691.70/x
  3. Step 3: Cross multiply
    5,389.56x = 8,084.44 × 1,691.70
  4. Step 4: Simplify right side
    5,389.56x = 13,676,447.15
  5. Step 5: Solve for x
    x = 13,676,447.15/5,389.56
  6. Step 6: Final answer
    x = 2,537.58

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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.