Home / 8,318.04-12,478.85-2,394.89

Finding the Fourth Proportional to 8,318.04, 12,478.85 and 2,394.89

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Solution

The fourth proportional to 8,318.04, 12,478.85 and 2,394.89 is: 3,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.04 : 12,478.85 = 2,394.89 : x
  2. Step 2: Convert to fraction form
    8,318.04/12,478.85 = 2,394.89/x
  3. Step 3: Cross multiply
    8,318.04x = 12,478.85 × 2,394.89
  4. Step 4: Simplify right side
    8,318.04x = 29,885,410.68
  5. Step 5: Solve for x
    x = 29,885,410.68/8,318.04
  6. Step 6: Final answer
    x = 3,592.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.