Home / 9,982.60-14,979.30-4,436.80

Finding the Fourth Proportional to 9,982.60, 14,979.30 and 4,436.80

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Solution

The fourth proportional to 9,982.60, 14,979.30 and 4,436.80 is: 6,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.60 : 14,979.30 = 4,436.80 : x
  2. Step 2: Convert to fraction form
    9,982.60/14,979.30 = 4,436.80/x
  3. Step 3: Cross multiply
    9,982.60x = 14,979.30 × 4,436.80
  4. Step 4: Simplify right side
    9,982.60x = 66,460,158.24
  5. Step 5: Solve for x
    x = 66,460,158.24/9,982.60
  6. Step 6: Final answer
    x = 6,657.60

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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.