Home / 7,488.29-10,333.71-4,131.43

Finding the Fourth Proportional to 7,488.29, 10,333.71 and 4,131.43

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Solution

The fourth proportional to 7,488.29, 10,333.71 and 4,131.43 is: 5,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.29 : 10,333.71 = 4,131.43 : x
  2. Step 2: Convert to fraction form
    7,488.29/10,333.71 = 4,131.43/x
  3. Step 3: Cross multiply
    7,488.29x = 10,333.71 × 4,131.43
  4. Step 4: Simplify right side
    7,488.29x = 42,692,947.84
  5. Step 5: Solve for x
    x = 42,692,947.84/7,488.29
  6. Step 6: Final answer
    x = 5,701.29

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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.