Home / 4,974.40-6,864.32-2,736.24

Finding the Fourth Proportional to 4,974.40, 6,864.32 and 2,736.24

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Solution

The fourth proportional to 4,974.40, 6,864.32 and 2,736.24 is: 3,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.40 : 6,864.32 = 2,736.24 : x
  2. Step 2: Convert to fraction form
    4,974.40/6,864.32 = 2,736.24/x
  3. Step 3: Cross multiply
    4,974.40x = 6,864.32 × 2,736.24
  4. Step 4: Simplify right side
    4,974.40x = 18,782,426.96
  5. Step 5: Solve for x
    x = 18,782,426.96/4,974.40
  6. Step 6: Final answer
    x = 3,775.82

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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.