Home / 8,864.86-12,234.04-4,885.96

Finding the Fourth Proportional to 8,864.86, 12,234.04 and 4,885.96

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Solution

The fourth proportional to 8,864.86, 12,234.04 and 4,885.96 is: 6,742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.86 : 12,234.04 = 4,885.96 : x
  2. Step 2: Convert to fraction form
    8,864.86/12,234.04 = 4,885.96/x
  3. Step 3: Cross multiply
    8,864.86x = 12,234.04 × 4,885.96
  4. Step 4: Simplify right side
    8,864.86x = 59,775,030.08
  5. Step 5: Solve for x
    x = 59,775,030.08/8,864.86
  6. Step 6: Final answer
    x = 6,742.92

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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.