Home / 7,374.23-10,175.68-4,143.53

Finding the Fourth Proportional to 7,374.23, 10,175.68 and 4,143.53

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Solution

The fourth proportional to 7,374.23, 10,175.68 and 4,143.53 is: 5,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.23 : 10,175.68 = 4,143.53 : x
  2. Step 2: Convert to fraction form
    7,374.23/10,175.68 = 4,143.53/x
  3. Step 3: Cross multiply
    7,374.23x = 10,175.68 × 4,143.53
  4. Step 4: Simplify right side
    7,374.23x = 42,163,260.61
  5. Step 5: Solve for x
    x = 42,163,260.61/7,374.23
  6. Step 6: Final answer
    x = 5,717.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.