Home / 8,897.30-13,328.40-4,517.90

Finding the Fourth Proportional to 8,897.30, 13,328.40 and 4,517.90

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Solution

The fourth proportional to 8,897.30, 13,328.40 and 4,517.90 is: 6,767.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.30 : 13,328.40 = 4,517.90 : x
  2. Step 2: Convert to fraction form
    8,897.30/13,328.40 = 4,517.90/x
  3. Step 3: Cross multiply
    8,897.30x = 13,328.40 × 4,517.90
  4. Step 4: Simplify right side
    8,897.30x = 60,216,378.36
  5. Step 5: Solve for x
    x = 60,216,378.36/8,897.30
  6. Step 6: Final answer
    x = 6,767.94

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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.