Home / 5,108.34-7,049.08-2,870.04

Finding the Fourth Proportional to 5,108.34, 7,049.08 and 2,870.04

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Solution

The fourth proportional to 5,108.34, 7,049.08 and 2,870.04 is: 3,960.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.34 : 7,049.08 = 2,870.04 : x
  2. Step 2: Convert to fraction form
    5,108.34/7,049.08 = 2,870.04/x
  3. Step 3: Cross multiply
    5,108.34x = 7,049.08 × 2,870.04
  4. Step 4: Simplify right side
    5,108.34x = 20,231,127.21
  5. Step 5: Solve for x
    x = 20,231,127.21/5,108.34
  6. Step 6: Final answer
    x = 3,960.41

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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.