Home / 5,264.25-7,264.62-2,874.20

Finding the Fourth Proportional to 5,264.25, 7,264.62 and 2,874.20

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Solution

The fourth proportional to 5,264.25, 7,264.62 and 2,874.20 is: 3,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.25 : 7,264.62 = 2,874.20 : x
  2. Step 2: Convert to fraction form
    5,264.25/7,264.62 = 2,874.20/x
  3. Step 3: Cross multiply
    5,264.25x = 7,264.62 × 2,874.20
  4. Step 4: Simplify right side
    5,264.25x = 20,879,970.80
  5. Step 5: Solve for x
    x = 20,879,970.80/5,264.25
  6. Step 6: Final answer
    x = 3,966.37

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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.