Home / 5,118.45-7,675.74-2,343.18

Finding the Fourth Proportional to 5,118.45, 7,675.74 and 2,343.18

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Solution

The fourth proportional to 5,118.45, 7,675.74 and 2,343.18 is: 3,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.45 : 7,675.74 = 2,343.18 : x
  2. Step 2: Convert to fraction form
    5,118.45/7,675.74 = 2,343.18/x
  3. Step 3: Cross multiply
    5,118.45x = 7,675.74 × 2,343.18
  4. Step 4: Simplify right side
    5,118.45x = 17,985,640.45
  5. Step 5: Solve for x
    x = 17,985,640.45/5,118.45
  6. Step 6: Final answer
    x = 3,513.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.