Home / 5,449.80-7,523.74-3,750.78

Finding the Fourth Proportional to 5,449.80, 7,523.74 and 3,750.78

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Solution

The fourth proportional to 5,449.80, 7,523.74 and 3,750.78 is: 5,178.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.80 : 7,523.74 = 3,750.78 : x
  2. Step 2: Convert to fraction form
    5,449.80/7,523.74 = 3,750.78/x
  3. Step 3: Cross multiply
    5,449.80x = 7,523.74 × 3,750.78
  4. Step 4: Simplify right side
    5,449.80x = 28,219,893.52
  5. Step 5: Solve for x
    x = 28,219,893.52/5,449.80
  6. Step 6: Final answer
    x = 5,178.15

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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.