Home / 5,395.40-8,094.15-2,108.28

Finding the Fourth Proportional to 5,395.40, 8,094.15 and 2,108.28

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Solution

The fourth proportional to 5,395.40, 8,094.15 and 2,108.28 is: 3,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.40 : 8,094.15 = 2,108.28 : x
  2. Step 2: Convert to fraction form
    5,395.40/8,094.15 = 2,108.28/x
  3. Step 3: Cross multiply
    5,395.40x = 8,094.15 × 2,108.28
  4. Step 4: Simplify right side
    5,395.40x = 17,064,734.56
  5. Step 5: Solve for x
    x = 17,064,734.56/5,395.40
  6. Step 6: Final answer
    x = 3,162.83

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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.