Home / 8,170.02-11,276.67-4,811.61

Finding the Fourth Proportional to 8,170.02, 11,276.67 and 4,811.61

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Solution

The fourth proportional to 8,170.02, 11,276.67 and 4,811.61 is: 6,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.02 : 11,276.67 = 4,811.61 : x
  2. Step 2: Convert to fraction form
    8,170.02/11,276.67 = 4,811.61/x
  3. Step 3: Cross multiply
    8,170.02x = 11,276.67 × 4,811.61
  4. Step 4: Simplify right side
    8,170.02x = 54,258,938.14
  5. Step 5: Solve for x
    x = 54,258,938.14/8,170.02
  6. Step 6: Final answer
    x = 6,641.22

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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.