Home / 5,348.10-7,378.56-3,108.13

Finding the Fourth Proportional to 5,348.10, 7,378.56 and 3,108.13

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Solution

The fourth proportional to 5,348.10, 7,378.56 and 3,108.13 is: 4,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.10 : 7,378.56 = 3,108.13 : x
  2. Step 2: Convert to fraction form
    5,348.10/7,378.56 = 3,108.13/x
  3. Step 3: Cross multiply
    5,348.10x = 7,378.56 × 3,108.13
  4. Step 4: Simplify right side
    5,348.10x = 22,933,523.69
  5. Step 5: Solve for x
    x = 22,933,523.69/5,348.10
  6. Step 6: Final answer
    x = 4,288.16

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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.