Home / 8,888.02-12,265.38-4,909.14

Finding the Fourth Proportional to 8,888.02, 12,265.38 and 4,909.14

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Solution

The fourth proportional to 8,888.02, 12,265.38 and 4,909.14 is: 6,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.02 : 12,265.38 = 4,909.14 : x
  2. Step 2: Convert to fraction form
    8,888.02/12,265.38 = 4,909.14/x
  3. Step 3: Cross multiply
    8,888.02x = 12,265.38 × 4,909.14
  4. Step 4: Simplify right side
    8,888.02x = 60,212,467.57
  5. Step 5: Solve for x
    x = 60,212,467.57/8,888.02
  6. Step 6: Final answer
    x = 6,774.56

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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.