Home / 8,624.91-12,937.38-3,078.03

Finding the Fourth Proportional to 8,624.91, 12,937.38 and 3,078.03

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Solution

The fourth proportional to 8,624.91, 12,937.38 and 3,078.03 is: 4,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.91 : 12,937.38 = 3,078.03 : x
  2. Step 2: Convert to fraction form
    8,624.91/12,937.38 = 3,078.03/x
  3. Step 3: Cross multiply
    8,624.91x = 12,937.38 × 3,078.03
  4. Step 4: Simplify right side
    8,624.91x = 39,821,643.76
  5. Step 5: Solve for x
    x = 39,821,643.76/8,624.91
  6. Step 6: Final answer
    x = 4,617.05

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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.