Home / 7,387.15-11,083.93-3,876.31

Finding the Fourth Proportional to 7,387.15, 11,083.93 and 3,876.31

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Solution

The fourth proportional to 7,387.15, 11,083.93 and 3,876.31 is: 5,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.15 : 11,083.93 = 3,876.31 : x
  2. Step 2: Convert to fraction form
    7,387.15/11,083.93 = 3,876.31/x
  3. Step 3: Cross multiply
    7,387.15x = 11,083.93 × 3,876.31
  4. Step 4: Simplify right side
    7,387.15x = 42,964,708.30
  5. Step 5: Solve for x
    x = 42,964,708.30/7,387.15
  6. Step 6: Final answer
    x = 5,816.14

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1.5x scale

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.