Home / 4,642.78-6,407.08-2,546.90

Finding the Fourth Proportional to 4,642.78, 6,407.08 and 2,546.90

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Solution

The fourth proportional to 4,642.78, 6,407.08 and 2,546.90 is: 3,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.78 : 6,407.08 = 2,546.90 : x
  2. Step 2: Convert to fraction form
    4,642.78/6,407.08 = 2,546.90/x
  3. Step 3: Cross multiply
    4,642.78x = 6,407.08 × 2,546.90
  4. Step 4: Simplify right side
    4,642.78x = 16,318,192.05
  5. Step 5: Solve for x
    x = 16,318,192.05/4,642.78
  6. Step 6: Final answer
    x = 3,514.75

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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.