Home / 6,877.28-10,319.88-2,982.08

Finding the Fourth Proportional to 6,877.28, 10,319.88 and 2,982.08

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Solution

The fourth proportional to 6,877.28, 10,319.88 and 2,982.08 is: 4,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.28 : 10,319.88 = 2,982.08 : x
  2. Step 2: Convert to fraction form
    6,877.28/10,319.88 = 2,982.08/x
  3. Step 3: Cross multiply
    6,877.28x = 10,319.88 × 2,982.08
  4. Step 4: Simplify right side
    6,877.28x = 30,774,707.75
  5. Step 5: Solve for x
    x = 30,774,707.75/6,877.28
  6. Step 6: Final answer
    x = 4,474.84

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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.