Home / 6,820.88-9,414.50-4,170.52

Finding the Fourth Proportional to 6,820.88, 9,414.50 and 4,170.52

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Solution

The fourth proportional to 6,820.88, 9,414.50 and 4,170.52 is: 5,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.88 : 9,414.50 = 4,170.52 : x
  2. Step 2: Convert to fraction form
    6,820.88/9,414.50 = 4,170.52/x
  3. Step 3: Cross multiply
    6,820.88x = 9,414.50 × 4,170.52
  4. Step 4: Simplify right side
    6,820.88x = 39,263,351.46
  5. Step 5: Solve for x
    x = 39,263,351.46/6,820.88
  6. Step 6: Final answer
    x = 5,756.35

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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.