Home / 4,877.28-7,317.18-2,799.66

Finding the Fourth Proportional to 4,877.28, 7,317.18 and 2,799.66

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Solution

The fourth proportional to 4,877.28, 7,317.18 and 2,799.66 is: 4,200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.28 : 7,317.18 = 2,799.66 : x
  2. Step 2: Convert to fraction form
    4,877.28/7,317.18 = 2,799.66/x
  3. Step 3: Cross multiply
    4,877.28x = 7,317.18 × 2,799.66
  4. Step 4: Simplify right side
    4,877.28x = 20,485,616.16
  5. Step 5: Solve for x
    x = 20,485,616.16/4,877.28
  6. Step 6: Final answer
    x = 4,200.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.