Home / 6,287.28-8,676.44-3,492.76

Finding the Fourth Proportional to 6,287.28, 8,676.44 and 3,492.76

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Solution

The fourth proportional to 6,287.28, 8,676.44 and 3,492.76 is: 4,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.28 : 8,676.44 = 3,492.76 : x
  2. Step 2: Convert to fraction form
    6,287.28/8,676.44 = 3,492.76/x
  3. Step 3: Cross multiply
    6,287.28x = 8,676.44 × 3,492.76
  4. Step 4: Simplify right side
    6,287.28x = 30,304,722.57
  5. Step 5: Solve for x
    x = 30,304,722.57/6,287.28
  6. Step 6: Final answer
    x = 4,820.01

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1.5x scale

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.