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Finding the Fourth Proportional to 6,351.60, 9,527.40 and 5,671.20

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Solution

The fourth proportional to 6,351.60, 9,527.40 and 5,671.20 is: 8,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.60 : 9,527.40 = 5,671.20 : x
  2. Step 2: Convert to fraction form
    6,351.60/9,527.40 = 5,671.20/x
  3. Step 3: Cross multiply
    6,351.60x = 9,527.40 × 5,671.20
  4. Step 4: Simplify right side
    6,351.60x = 54,031,790.88
  5. Step 5: Solve for x
    x = 54,031,790.88/6,351.60
  6. Step 6: Final answer
    x = 8,506.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.