Home / 4,167.72-5,743.50-2,986.74

Finding the Fourth Proportional to 4,167.72, 5,743.50 and 2,986.74

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Solution

The fourth proportional to 4,167.72, 5,743.50 and 2,986.74 is: 4,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.72 : 5,743.50 = 2,986.74 : x
  2. Step 2: Convert to fraction form
    4,167.72/5,743.50 = 2,986.74/x
  3. Step 3: Cross multiply
    4,167.72x = 5,743.50 × 2,986.74
  4. Step 4: Simplify right side
    4,167.72x = 17,154,341.19
  5. Step 5: Solve for x
    x = 17,154,341.19/4,167.72
  6. Step 6: Final answer
    x = 4,116.00

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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.