Home / 4,753.13-7,131.52-1,979.06

Finding the Fourth Proportional to 4,753.13, 7,131.52 and 1,979.06

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Solution

The fourth proportional to 4,753.13, 7,131.52 and 1,979.06 is: 2,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.13 : 7,131.52 = 1,979.06 : x
  2. Step 2: Convert to fraction form
    4,753.13/7,131.52 = 1,979.06/x
  3. Step 3: Cross multiply
    4,753.13x = 7,131.52 × 1,979.06
  4. Step 4: Simplify right side
    4,753.13x = 14,113,660.42
  5. Step 5: Solve for x
    x = 14,113,660.42/4,753.13
  6. Step 6: Final answer
    x = 2,969.34

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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.