Home / 5,497.73-8,247.40-1,988.00

Finding the Fourth Proportional to 5,497.73, 8,247.40 and 1,988.00

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Solution

The fourth proportional to 5,497.73, 8,247.40 and 1,988.00 is: 2,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.73 : 8,247.40 = 1,988.00 : x
  2. Step 2: Convert to fraction form
    5,497.73/8,247.40 = 1,988.00/x
  3. Step 3: Cross multiply
    5,497.73x = 8,247.40 × 1,988.00
  4. Step 4: Simplify right side
    5,497.73x = 16,395,780.02
  5. Step 5: Solve for x
    x = 16,395,780.02/5,497.73
  6. Step 6: Final answer
    x = 2,982.28

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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.