Home / 6,820.29-9,415.32-4,306.05

Finding the Fourth Proportional to 6,820.29, 9,415.32 and 4,306.05

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Solution

The fourth proportional to 6,820.29, 9,415.32 and 4,306.05 is: 5,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.29 : 9,415.32 = 4,306.05 : x
  2. Step 2: Convert to fraction form
    6,820.29/9,415.32 = 4,306.05/x
  3. Step 3: Cross multiply
    6,820.29x = 9,415.32 × 4,306.05
  4. Step 4: Simplify right side
    6,820.29x = 40,542,838.69
  5. Step 5: Solve for x
    x = 40,542,838.69/6,820.29
  6. Step 6: Final answer
    x = 5,944.44

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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.