Home / 4,140.90-5,712.02-2,648.27

Finding the Fourth Proportional to 4,140.90, 5,712.02 and 2,648.27

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Solution

The fourth proportional to 4,140.90, 5,712.02 and 2,648.27 is: 3,653.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.90 : 5,712.02 = 2,648.27 : x
  2. Step 2: Convert to fraction form
    4,140.90/5,712.02 = 2,648.27/x
  3. Step 3: Cross multiply
    4,140.90x = 5,712.02 × 2,648.27
  4. Step 4: Simplify right side
    4,140.90x = 15,126,966.11
  5. Step 5: Solve for x
    x = 15,126,966.11/4,140.90
  6. Step 6: Final answer
    x = 3,653.06

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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.