Home / 5,007.20-6,909.80-2,769.01

Finding the Fourth Proportional to 5,007.20, 6,909.80 and 2,769.01

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Solution

The fourth proportional to 5,007.20, 6,909.80 and 2,769.01 is: 3,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.20 : 6,909.80 = 2,769.01 : x
  2. Step 2: Convert to fraction form
    5,007.20/6,909.80 = 2,769.01/x
  3. Step 3: Cross multiply
    5,007.20x = 6,909.80 × 2,769.01
  4. Step 4: Simplify right side
    5,007.20x = 19,133,305.30
  5. Step 5: Solve for x
    x = 19,133,305.30/5,007.20
  6. Step 6: Final answer
    x = 3,821.16

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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.