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Finding the Fourth Proportional to 8,304.40, 12,450.40 and 5,016.80

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Solution

The fourth proportional to 8,304.40, 12,450.40 and 5,016.80 is: 7,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.40 : 12,450.40 = 5,016.80 : x
  2. Step 2: Convert to fraction form
    8,304.40/12,450.40 = 5,016.80/x
  3. Step 3: Cross multiply
    8,304.40x = 12,450.40 × 5,016.80
  4. Step 4: Simplify right side
    8,304.40x = 62,461,166.72
  5. Step 5: Solve for x
    x = 62,461,166.72/8,304.40
  6. Step 6: Final answer
    x = 7,521.45

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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.