Home / 6,820.52-10,170.54-5,990.97

Finding the Fourth Proportional to 6,820.52, 10,170.54 and 5,990.97

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Solution

The fourth proportional to 6,820.52, 10,170.54 and 5,990.97 is: 8,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.52 : 10,170.54 = 5,990.97 : x
  2. Step 2: Convert to fraction form
    6,820.52/10,170.54 = 5,990.97/x
  3. Step 3: Cross multiply
    6,820.52x = 10,170.54 × 5,990.97
  4. Step 4: Simplify right side
    6,820.52x = 60,931,415.70
  5. Step 5: Solve for x
    x = 60,931,415.70/6,820.52
  6. Step 6: Final answer
    x = 8,933.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.