Home / 8,251.79-11,390.05-5,566.89

Finding the Fourth Proportional to 8,251.79, 11,390.05 and 5,566.89

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Solution

The fourth proportional to 8,251.79, 11,390.05 and 5,566.89 is: 7,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.79 : 11,390.05 = 5,566.89 : x
  2. Step 2: Convert to fraction form
    8,251.79/11,390.05 = 5,566.89/x
  3. Step 3: Cross multiply
    8,251.79x = 11,390.05 × 5,566.89
  4. Step 4: Simplify right side
    8,251.79x = 63,407,205.12
  5. Step 5: Solve for x
    x = 63,407,205.12/8,251.79
  6. Step 6: Final answer
    x = 7,684.05

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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.