Home / 5,261.44-7,876.80-4,155.52

Finding the Fourth Proportional to 5,261.44, 7,876.80 and 4,155.52

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Solution

The fourth proportional to 5,261.44, 7,876.80 and 4,155.52 is: 6,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.44 : 7,876.80 = 4,155.52 : x
  2. Step 2: Convert to fraction form
    5,261.44/7,876.80 = 4,155.52/x
  3. Step 3: Cross multiply
    5,261.44x = 7,876.80 × 4,155.52
  4. Step 4: Simplify right side
    5,261.44x = 32,732,199.94
  5. Step 5: Solve for x
    x = 32,732,199.94/5,261.44
  6. Step 6: Final answer
    x = 6,221.15

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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.