Home / 8,277.57-12,401.91-6,899.76

Finding the Fourth Proportional to 8,277.57, 12,401.91 and 6,899.76

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Solution

The fourth proportional to 8,277.57, 12,401.91 and 6,899.76 is: 10,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.57 : 12,401.91 = 6,899.76 : x
  2. Step 2: Convert to fraction form
    8,277.57/12,401.91 = 6,899.76/x
  3. Step 3: Cross multiply
    8,277.57x = 12,401.91 × 6,899.76
  4. Step 4: Simplify right side
    8,277.57x = 85,570,202.54
  5. Step 5: Solve for x
    x = 85,570,202.54/8,277.57
  6. Step 6: Final answer
    x = 10,337.60

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1.5x scale

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.