Home / 8,422.65-12,630.33-4,473.06

Finding the Fourth Proportional to 8,422.65, 12,630.33 and 4,473.06

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Solution

The fourth proportional to 8,422.65, 12,630.33 and 4,473.06 is: 6,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.65 : 12,630.33 = 4,473.06 : x
  2. Step 2: Convert to fraction form
    8,422.65/12,630.33 = 4,473.06/x
  3. Step 3: Cross multiply
    8,422.65x = 12,630.33 × 4,473.06
  4. Step 4: Simplify right side
    8,422.65x = 56,496,223.91
  5. Step 5: Solve for x
    x = 56,496,223.91/8,422.65
  6. Step 6: Final answer
    x = 6,707.65

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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.