Home / 8,315.43-11,474.53-4,777.95

Finding the Fourth Proportional to 8,315.43, 11,474.53 and 4,777.95

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Solution

The fourth proportional to 8,315.43, 11,474.53 and 4,777.95 is: 6,593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.43 : 11,474.53 = 4,777.95 : x
  2. Step 2: Convert to fraction form
    8,315.43/11,474.53 = 4,777.95/x
  3. Step 3: Cross multiply
    8,315.43x = 11,474.53 × 4,777.95
  4. Step 4: Simplify right side
    8,315.43x = 54,824,730.61
  5. Step 5: Solve for x
    x = 54,824,730.61/8,315.43
  6. Step 6: Final answer
    x = 6,593.13

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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.