Home / 8,378.02-11,560.97-4,792.85

Finding the Fourth Proportional to 8,378.02, 11,560.97 and 4,792.85

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Solution

The fourth proportional to 8,378.02, 11,560.97 and 4,792.85 is: 6,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378.02 : 11,560.97 = 4,792.85 : x
  2. Step 2: Convert to fraction form
    8,378.02/11,560.97 = 4,792.85/x
  3. Step 3: Cross multiply
    8,378.02x = 11,560.97 × 4,792.85
  4. Step 4: Simplify right side
    8,378.02x = 55,410,035.95
  5. Step 5: Solve for x
    x = 55,410,035.95/8,378.02
  6. Step 6: Final answer
    x = 6,613.74

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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.