Home / 6,398.24-8,829.57-3,565.55

Finding the Fourth Proportional to 6,398.24, 8,829.57 and 3,565.55

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Solution

The fourth proportional to 6,398.24, 8,829.57 and 3,565.55 is: 4,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398.24 : 8,829.57 = 3,565.55 : x
  2. Step 2: Convert to fraction form
    6,398.24/8,829.57 = 3,565.55/x
  3. Step 3: Cross multiply
    6,398.24x = 8,829.57 × 3,565.55
  4. Step 4: Simplify right side
    6,398.24x = 31,482,255.75
  5. Step 5: Solve for x
    x = 31,482,255.75/6,398.24
  6. Step 6: Final answer
    x = 4,920.46

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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.