Home / 4,147.10-5,721.28-2,574.28

Finding the Fourth Proportional to 4,147.10, 5,721.28 and 2,574.28

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Solution

The fourth proportional to 4,147.10, 5,721.28 and 2,574.28 is: 3,551.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.10 : 5,721.28 = 2,574.28 : x
  2. Step 2: Convert to fraction form
    4,147.10/5,721.28 = 2,574.28/x
  3. Step 3: Cross multiply
    4,147.10x = 5,721.28 × 2,574.28
  4. Step 4: Simplify right side
    4,147.10x = 14,728,191.87
  5. Step 5: Solve for x
    x = 14,728,191.87/4,147.10
  6. Step 6: Final answer
    x = 3,551.44

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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.