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Finding the Fourth Proportional to 6,391.62, 8,822.84 and 4,726.43

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Solution

The fourth proportional to 6,391.62, 8,822.84 and 4,726.43 is: 6,524.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.62 : 8,822.84 = 4,726.43 : x
  2. Step 2: Convert to fraction form
    6,391.62/8,822.84 = 4,726.43/x
  3. Step 3: Cross multiply
    6,391.62x = 8,822.84 × 4,726.43
  4. Step 4: Simplify right side
    6,391.62x = 41,700,482.83
  5. Step 5: Solve for x
    x = 41,700,482.83/6,391.62
  6. Step 6: Final answer
    x = 6,524.24

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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.