Home / 8,868.15-13,292.64-5,162.67

Finding the Fourth Proportional to 8,868.15, 13,292.64 and 5,162.67

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Solution

The fourth proportional to 8,868.15, 13,292.64 and 5,162.67 is: 7,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.15 : 13,292.64 = 5,162.67 : x
  2. Step 2: Convert to fraction form
    8,868.15/13,292.64 = 5,162.67/x
  3. Step 3: Cross multiply
    8,868.15x = 13,292.64 × 5,162.67
  4. Step 4: Simplify right side
    8,868.15x = 68,625,513.75
  5. Step 5: Solve for x
    x = 68,625,513.75/8,868.15
  6. Step 6: Final answer
    x = 7,738.43

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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.