Home / 8,143.90-11,238.82-4,607.04

Finding the Fourth Proportional to 8,143.90, 11,238.82 and 4,607.04

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Solution

The fourth proportional to 8,143.90, 11,238.82 and 4,607.04 is: 6,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.90 : 11,238.82 = 4,607.04 : x
  2. Step 2: Convert to fraction form
    8,143.90/11,238.82 = 4,607.04/x
  3. Step 3: Cross multiply
    8,143.90x = 11,238.82 × 4,607.04
  4. Step 4: Simplify right side
    8,143.90x = 51,777,693.29
  5. Step 5: Solve for x
    x = 51,777,693.29/8,143.90
  6. Step 6: Final answer
    x = 6,357.85

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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.