Home / 4,927.20-6,799.55-2,689.12

Finding the Fourth Proportional to 4,927.20, 6,799.55 and 2,689.12

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Solution

The fourth proportional to 4,927.20, 6,799.55 and 2,689.12 is: 3,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.20 : 6,799.55 = 2,689.12 : x
  2. Step 2: Convert to fraction form
    4,927.20/6,799.55 = 2,689.12/x
  3. Step 3: Cross multiply
    4,927.20x = 6,799.55 × 2,689.12
  4. Step 4: Simplify right side
    4,927.20x = 18,284,823.64
  5. Step 5: Solve for x
    x = 18,284,823.64/4,927.20
  6. Step 6: Final answer
    x = 3,711.00

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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.