Home / 5,137.38-7,706.08-1,241.80

Finding the Fourth Proportional to 5,137.38, 7,706.08 and 1,241.80

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Solution

The fourth proportional to 5,137.38, 7,706.08 and 1,241.80 is: 1,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.38 : 7,706.08 = 1,241.80 : x
  2. Step 2: Convert to fraction form
    5,137.38/7,706.08 = 1,241.80/x
  3. Step 3: Cross multiply
    5,137.38x = 7,706.08 × 1,241.80
  4. Step 4: Simplify right side
    5,137.38x = 9,569,410.14
  5. Step 5: Solve for x
    x = 9,569,410.14/5,137.38
  6. Step 6: Final answer
    x = 1,862.70

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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.