Home / 8,247.15-11,378.37-5,263.95

Finding the Fourth Proportional to 8,247.15, 11,378.37 and 5,263.95

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Solution

The fourth proportional to 8,247.15, 11,378.37 and 5,263.95 is: 7,262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.15 : 11,378.37 = 5,263.95 : x
  2. Step 2: Convert to fraction form
    8,247.15/11,378.37 = 5,263.95/x
  3. Step 3: Cross multiply
    8,247.15x = 11,378.37 × 5,263.95
  4. Step 4: Simplify right side
    8,247.15x = 59,895,170.76
  5. Step 5: Solve for x
    x = 59,895,170.76/8,247.15
  6. Step 6: Final answer
    x = 7,262.53

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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.