Home / 4,838.56-6,677.40-2,742.88

Finding the Fourth Proportional to 4,838.56, 6,677.40 and 2,742.88

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Solution

The fourth proportional to 4,838.56, 6,677.40 and 2,742.88 is: 3,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.56 : 6,677.40 = 2,742.88 : x
  2. Step 2: Convert to fraction form
    4,838.56/6,677.40 = 2,742.88/x
  3. Step 3: Cross multiply
    4,838.56x = 6,677.40 × 2,742.88
  4. Step 4: Simplify right side
    4,838.56x = 18,315,306.91
  5. Step 5: Solve for x
    x = 18,315,306.91/4,838.56
  6. Step 6: Final answer
    x = 3,785.28

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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.