Home / 6,251.11-8,626.76-3,418.67

Finding the Fourth Proportional to 6,251.11, 8,626.76 and 3,418.67

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Solution

The fourth proportional to 6,251.11, 8,626.76 and 3,418.67 is: 4,717.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.11 : 8,626.76 = 3,418.67 : x
  2. Step 2: Convert to fraction form
    6,251.11/8,626.76 = 3,418.67/x
  3. Step 3: Cross multiply
    6,251.11x = 8,626.76 × 3,418.67
  4. Step 4: Simplify right side
    6,251.11x = 29,492,045.61
  5. Step 5: Solve for x
    x = 29,492,045.61/6,251.11
  6. Step 6: Final answer
    x = 4,717.89

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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.