Home / 8,177.56-11,286.51-4,820.18

Finding the Fourth Proportional to 8,177.56, 11,286.51 and 4,820.18

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Solution

The fourth proportional to 8,177.56, 11,286.51 and 4,820.18 is: 6,652.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.56 : 11,286.51 = 4,820.18 : x
  2. Step 2: Convert to fraction form
    8,177.56/11,286.51 = 4,820.18/x
  3. Step 3: Cross multiply
    8,177.56x = 11,286.51 × 4,820.18
  4. Step 4: Simplify right side
    8,177.56x = 54,403,009.77
  5. Step 5: Solve for x
    x = 54,403,009.77/8,177.56
  6. Step 6: Final answer
    x = 6,652.72

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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.