Home / 4,642.88-6,407.60-2,654.08

Finding the Fourth Proportional to 4,642.88, 6,407.60 and 2,654.08

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Solution

The fourth proportional to 4,642.88, 6,407.60 and 2,654.08 is: 3,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.88 : 6,407.60 = 2,654.08 : x
  2. Step 2: Convert to fraction form
    4,642.88/6,407.60 = 2,654.08/x
  3. Step 3: Cross multiply
    4,642.88x = 6,407.60 × 2,654.08
  4. Step 4: Simplify right side
    4,642.88x = 17,006,283.01
  5. Step 5: Solve for x
    x = 17,006,283.01/4,642.88
  6. Step 6: Final answer
    x = 3,662.87

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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.