Home / 8,864.80-12,232.69-4,885.79

Finding the Fourth Proportional to 8,864.80, 12,232.69 and 4,885.79

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Solution

The fourth proportional to 8,864.80, 12,232.69 and 4,885.79 is: 6,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.80 : 12,232.69 = 4,885.79 : x
  2. Step 2: Convert to fraction form
    8,864.80/12,232.69 = 4,885.79/x
  3. Step 3: Cross multiply
    8,864.80x = 12,232.69 × 4,885.79
  4. Step 4: Simplify right side
    8,864.80x = 59,766,281.10
  5. Step 5: Solve for x
    x = 59,766,281.10/8,864.80
  6. Step 6: Final answer
    x = 6,741.98

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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.