Home / 5,312.55-7,314.45-4,049.55

Finding the Fourth Proportional to 5,312.55, 7,314.45 and 4,049.55

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Solution

The fourth proportional to 5,312.55, 7,314.45 and 4,049.55 is: 5,575.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.55 : 7,314.45 = 4,049.55 : x
  2. Step 2: Convert to fraction form
    5,312.55/7,314.45 = 4,049.55/x
  3. Step 3: Cross multiply
    5,312.55x = 7,314.45 × 4,049.55
  4. Step 4: Simplify right side
    5,312.55x = 29,620,231.00
  5. Step 5: Solve for x
    x = 29,620,231.00/5,312.55
  6. Step 6: Final answer
    x = 5,575.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.