Home / 7,343.12-10,133.57-3,985.95

Finding the Fourth Proportional to 7,343.12, 10,133.57 and 3,985.95

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Solution

The fourth proportional to 7,343.12, 10,133.57 and 3,985.95 is: 5,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.12 : 10,133.57 = 3,985.95 : x
  2. Step 2: Convert to fraction form
    7,343.12/10,133.57 = 3,985.95/x
  3. Step 3: Cross multiply
    7,343.12x = 10,133.57 × 3,985.95
  4. Step 4: Simplify right side
    7,343.12x = 40,391,883.41
  5. Step 5: Solve for x
    x = 40,391,883.41/7,343.12
  6. Step 6: Final answer
    x = 5,500.65

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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.