Home / 8,860.86-12,228.12-5,084.64

Finding the Fourth Proportional to 8,860.86, 12,228.12 and 5,084.64

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Solution

The fourth proportional to 8,860.86, 12,228.12 and 5,084.64 is: 7,016.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.86 : 12,228.12 = 5,084.64 : x
  2. Step 2: Convert to fraction form
    8,860.86/12,228.12 = 5,084.64/x
  3. Step 3: Cross multiply
    8,860.86x = 12,228.12 × 5,084.64
  4. Step 4: Simplify right side
    8,860.86x = 62,175,588.08
  5. Step 5: Solve for x
    x = 62,175,588.08/8,860.86
  6. Step 6: Final answer
    x = 7,016.88

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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.