Home / 8,888.11-12,265.63-4,909.25

Finding the Fourth Proportional to 8,888.11, 12,265.63 and 4,909.25

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Solution

The fourth proportional to 8,888.11, 12,265.63 and 4,909.25 is: 6,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.11 : 12,265.63 = 4,909.25 : x
  2. Step 2: Convert to fraction form
    8,888.11/12,265.63 = 4,909.25/x
  3. Step 3: Cross multiply
    8,888.11x = 12,265.63 × 4,909.25
  4. Step 4: Simplify right side
    8,888.11x = 60,215,062.47
  5. Step 5: Solve for x
    x = 60,215,062.47/8,888.11
  6. Step 6: Final answer
    x = 6,774.79

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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.