Home / 6,398.33-8,829.09-3,565.85

Finding the Fourth Proportional to 6,398.33, 8,829.09 and 3,565.85

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Solution

The fourth proportional to 6,398.33, 8,829.09 and 3,565.85 is: 4,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398.33 : 8,829.09 = 3,565.85 : x
  2. Step 2: Convert to fraction form
    6,398.33/8,829.09 = 3,565.85/x
  3. Step 3: Cross multiply
    6,398.33x = 8,829.09 × 3,565.85
  4. Step 4: Simplify right side
    6,398.33x = 31,483,166.43
  5. Step 5: Solve for x
    x = 31,483,166.43/6,398.33
  6. Step 6: Final answer
    x = 4,920.53

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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.