Home / 8,905.08-13,348.28-2,980.46

Finding the Fourth Proportional to 8,905.08, 13,348.28 and 2,980.46

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Solution

The fourth proportional to 8,905.08, 13,348.28 and 2,980.46 is: 4,467.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.08 : 13,348.28 = 2,980.46 : x
  2. Step 2: Convert to fraction form
    8,905.08/13,348.28 = 2,980.46/x
  3. Step 3: Cross multiply
    8,905.08x = 13,348.28 × 2,980.46
  4. Step 4: Simplify right side
    8,905.08x = 39,784,014.61
  5. Step 5: Solve for x
    x = 39,784,014.61/8,905.08
  6. Step 6: Final answer
    x = 4,467.56

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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.