Home / 4,886.20-6,742.95-2,648.07

Finding the Fourth Proportional to 4,886.20, 6,742.95 and 2,648.07

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Solution

The fourth proportional to 4,886.20, 6,742.95 and 2,648.07 is: 3,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.20 : 6,742.95 = 2,648.07 : x
  2. Step 2: Convert to fraction form
    4,886.20/6,742.95 = 2,648.07/x
  3. Step 3: Cross multiply
    4,886.20x = 6,742.95 × 2,648.07
  4. Step 4: Simplify right side
    4,886.20x = 17,855,793.68
  5. Step 5: Solve for x
    x = 17,855,793.68/4,886.20
  6. Step 6: Final answer
    x = 3,654.33

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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.