Home / 8,261.52-11,400.90-4,724.70

Finding the Fourth Proportional to 8,261.52, 11,400.90 and 4,724.70

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Solution

The fourth proportional to 8,261.52, 11,400.90 and 4,724.70 is: 6,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.52 : 11,400.90 = 4,724.70 : x
  2. Step 2: Convert to fraction form
    8,261.52/11,400.90 = 4,724.70/x
  3. Step 3: Cross multiply
    8,261.52x = 11,400.90 × 4,724.70
  4. Step 4: Simplify right side
    8,261.52x = 53,865,832.23
  5. Step 5: Solve for x
    x = 53,865,832.23/8,261.52
  6. Step 6: Final answer
    x = 6,520.09

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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.