Home / 8,155.95-11,256.67-4,799.64

Finding the Fourth Proportional to 8,155.95, 11,256.67 and 4,799.64

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Solution

The fourth proportional to 8,155.95, 11,256.67 and 4,799.64 is: 6,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.95 : 11,256.67 = 4,799.64 : x
  2. Step 2: Convert to fraction form
    8,155.95/11,256.67 = 4,799.64/x
  3. Step 3: Cross multiply
    8,155.95x = 11,256.67 × 4,799.64
  4. Step 4: Simplify right side
    8,155.95x = 54,027,963.60
  5. Step 5: Solve for x
    x = 54,027,963.60/8,155.95
  6. Step 6: Final answer
    x = 6,624.36

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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.