Home / 6,357.20-8,767.49-3,838.77

Finding the Fourth Proportional to 6,357.20, 8,767.49 and 3,838.77

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Solution

The fourth proportional to 6,357.20, 8,767.49 and 3,838.77 is: 5,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357.20 : 8,767.49 = 3,838.77 : x
  2. Step 2: Convert to fraction form
    6,357.20/8,767.49 = 3,838.77/x
  3. Step 3: Cross multiply
    6,357.20x = 8,767.49 × 3,838.77
  4. Step 4: Simplify right side
    6,357.20x = 33,656,358.39
  5. Step 5: Solve for x
    x = 33,656,358.39/6,357.20
  6. Step 6: Final answer
    x = 5,294.22

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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.