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Finding the Fourth Proportional to 6,671.79, 9,207.33 and 4,429.80

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Solution

The fourth proportional to 6,671.79, 9,207.33 and 4,429.80 is: 6,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,671.79 : 9,207.33 = 4,429.80 : x
  2. Step 2: Convert to fraction form
    6,671.79/9,207.33 = 4,429.80/x
  3. Step 3: Cross multiply
    6,671.79x = 9,207.33 × 4,429.80
  4. Step 4: Simplify right side
    6,671.79x = 40,786,630.43
  5. Step 5: Solve for x
    x = 40,786,630.43/6,671.79
  6. Step 6: Final answer
    x = 6,113.30

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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.