Home / 5,227.42-7,840.80-2,454.70

Finding the Fourth Proportional to 5,227.42, 7,840.80 and 2,454.70

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Solution

The fourth proportional to 5,227.42, 7,840.80 and 2,454.70 is: 3,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.42 : 7,840.80 = 2,454.70 : x
  2. Step 2: Convert to fraction form
    5,227.42/7,840.80 = 2,454.70/x
  3. Step 3: Cross multiply
    5,227.42x = 7,840.80 × 2,454.70
  4. Step 4: Simplify right side
    5,227.42x = 19,246,811.76
  5. Step 5: Solve for x
    x = 19,246,811.76/5,227.42
  6. Step 6: Final answer
    x = 3,681.90

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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.