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Finding the Fourth Proportional to 6,265.80, 9,398.70 and 1,648.80

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Solution

The fourth proportional to 6,265.80, 9,398.70 and 1,648.80 is: 2,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,265.80 : 9,398.70 = 1,648.80 : x
  2. Step 2: Convert to fraction form
    6,265.80/9,398.70 = 1,648.80/x
  3. Step 3: Cross multiply
    6,265.80x = 9,398.70 × 1,648.80
  4. Step 4: Simplify right side
    6,265.80x = 15,496,576.56
  5. Step 5: Solve for x
    x = 15,496,576.56/6,265.80
  6. Step 6: Final answer
    x = 2,473.20

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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.