Home / 4,642.66-6,406.90-2,546.78

Finding the Fourth Proportional to 4,642.66, 6,406.90 and 2,546.78

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Solution

The fourth proportional to 4,642.66, 6,406.90 and 2,546.78 is: 3,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.66 : 6,406.90 = 2,546.78 : x
  2. Step 2: Convert to fraction form
    4,642.66/6,406.90 = 2,546.78/x
  3. Step 3: Cross multiply
    4,642.66x = 6,406.90 × 2,546.78
  4. Step 4: Simplify right side
    4,642.66x = 16,316,964.78
  5. Step 5: Solve for x
    x = 16,316,964.78/4,642.66
  6. Step 6: Final answer
    x = 3,514.57

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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.