Home / 5,030.80-7,549.14-2,108.88

Finding the Fourth Proportional to 5,030.80, 7,549.14 and 2,108.88

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Solution

The fourth proportional to 5,030.80, 7,549.14 and 2,108.88 is: 3,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.80 : 7,549.14 = 2,108.88 : x
  2. Step 2: Convert to fraction form
    5,030.80/7,549.14 = 2,108.88/x
  3. Step 3: Cross multiply
    5,030.80x = 7,549.14 × 2,108.88
  4. Step 4: Simplify right side
    5,030.80x = 15,920,230.36
  5. Step 5: Solve for x
    x = 15,920,230.36/5,030.80
  6. Step 6: Final answer
    x = 3,164.55

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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.