Home / 5,240.55-7,861.98-1,731.63

Finding the Fourth Proportional to 5,240.55, 7,861.98 and 1,731.63

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Solution

The fourth proportional to 5,240.55, 7,861.98 and 1,731.63 is: 2,597.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.55 : 7,861.98 = 1,731.63 : x
  2. Step 2: Convert to fraction form
    5,240.55/7,861.98 = 1,731.63/x
  3. Step 3: Cross multiply
    5,240.55x = 7,861.98 × 1,731.63
  4. Step 4: Simplify right side
    5,240.55x = 13,614,040.43
  5. Step 5: Solve for x
    x = 13,614,040.43/5,240.55
  6. Step 6: Final answer
    x = 2,597.83

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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.