Home / 5,241.13-7,861.70-1,292.39

Finding the Fourth Proportional to 5,241.13, 7,861.70 and 1,292.39

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Solution

The fourth proportional to 5,241.13, 7,861.70 and 1,292.39 is: 1,938.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.13 : 7,861.70 = 1,292.39 : x
  2. Step 2: Convert to fraction form
    5,241.13/7,861.70 = 1,292.39/x
  3. Step 3: Cross multiply
    5,241.13x = 7,861.70 × 1,292.39
  4. Step 4: Simplify right side
    5,241.13x = 10,160,382.46
  5. Step 5: Solve for x
    x = 10,160,382.46/5,241.13
  6. Step 6: Final answer
    x = 1,938.59

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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.