Home / 8,747.66-13,121.61-4,876.67

Finding the Fourth Proportional to 8,747.66, 13,121.61 and 4,876.67

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Solution

The fourth proportional to 8,747.66, 13,121.61 and 4,876.67 is: 7,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.66 : 13,121.61 = 4,876.67 : x
  2. Step 2: Convert to fraction form
    8,747.66/13,121.61 = 4,876.67/x
  3. Step 3: Cross multiply
    8,747.66x = 13,121.61 × 4,876.67
  4. Step 4: Simplify right side
    8,747.66x = 63,989,761.84
  5. Step 5: Solve for x
    x = 63,989,761.84/8,747.66
  6. Step 6: Final answer
    x = 7,315.07

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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.