Home / 7,288.50-10,058.13-3,976.50

Finding the Fourth Proportional to 7,288.50, 10,058.13 and 3,976.50

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Solution

The fourth proportional to 7,288.50, 10,058.13 and 3,976.50 is: 5,487.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.50 : 10,058.13 = 3,976.50 : x
  2. Step 2: Convert to fraction form
    7,288.50/10,058.13 = 3,976.50/x
  3. Step 3: Cross multiply
    7,288.50x = 10,058.13 × 3,976.50
  4. Step 4: Simplify right side
    7,288.50x = 39,996,153.95
  5. Step 5: Solve for x
    x = 39,996,153.95/7,288.50
  6. Step 6: Final answer
    x = 5,487.57

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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.