Home / 8,956.34-13,434.51-3,112.95

Finding the Fourth Proportional to 8,956.34, 13,434.51 and 3,112.95

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Solution

The fourth proportional to 8,956.34, 13,434.51 and 3,112.95 is: 4,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.34 : 13,434.51 = 3,112.95 : x
  2. Step 2: Convert to fraction form
    8,956.34/13,434.51 = 3,112.95/x
  3. Step 3: Cross multiply
    8,956.34x = 13,434.51 × 3,112.95
  4. Step 4: Simplify right side
    8,956.34x = 41,820,957.90
  5. Step 5: Solve for x
    x = 41,820,957.90/8,956.34
  6. Step 6: Final answer
    x = 4,669.43

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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.