Home / 5,108.73-7,048.33-2,870.29

Finding the Fourth Proportional to 5,108.73, 7,048.33 and 2,870.29

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Solution

The fourth proportional to 5,108.73, 7,048.33 and 2,870.29 is: 3,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.73 : 7,048.33 = 2,870.29 : x
  2. Step 2: Convert to fraction form
    5,108.73/7,048.33 = 2,870.29/x
  3. Step 3: Cross multiply
    5,108.73x = 7,048.33 × 2,870.29
  4. Step 4: Simplify right side
    5,108.73x = 20,230,751.12
  5. Step 5: Solve for x
    x = 20,230,751.12/5,108.73
  6. Step 6: Final answer
    x = 3,960.04

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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.