Home / 4,166.71-5,742.13-2,985.73

Finding the Fourth Proportional to 4,166.71, 5,742.13 and 2,985.73

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Solution

The fourth proportional to 4,166.71, 5,742.13 and 2,985.73 is: 4,114.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.71 : 5,742.13 = 2,985.73 : x
  2. Step 2: Convert to fraction form
    4,166.71/5,742.13 = 2,985.73/x
  3. Step 3: Cross multiply
    4,166.71x = 5,742.13 × 2,985.73
  4. Step 4: Simplify right side
    4,166.71x = 17,144,449.80
  5. Step 5: Solve for x
    x = 17,144,449.80/4,166.71
  6. Step 6: Final answer
    x = 4,114.63

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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.