Home / 8,897.92-13,342.40-3,052.80

Finding the Fourth Proportional to 8,897.92, 13,342.40 and 3,052.80

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Solution

The fourth proportional to 8,897.92, 13,342.40 and 3,052.80 is: 4,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.92 : 13,342.40 = 3,052.80 : x
  2. Step 2: Convert to fraction form
    8,897.92/13,342.40 = 3,052.80/x
  3. Step 3: Cross multiply
    8,897.92x = 13,342.40 × 3,052.80
  4. Step 4: Simplify right side
    8,897.92x = 40,731,678.72
  5. Step 5: Solve for x
    x = 40,731,678.72/8,897.92
  6. Step 6: Final answer
    x = 4,577.66

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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.