Home / 5,610.50-8,419.02-2,102.98

Finding the Fourth Proportional to 5,610.50, 8,419.02 and 2,102.98

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Solution

The fourth proportional to 5,610.50, 8,419.02 and 2,102.98 is: 3,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.50 : 8,419.02 = 2,102.98 : x
  2. Step 2: Convert to fraction form
    5,610.50/8,419.02 = 2,102.98/x
  3. Step 3: Cross multiply
    5,610.50x = 8,419.02 × 2,102.98
  4. Step 4: Simplify right side
    5,610.50x = 17,705,030.68
  5. Step 5: Solve for x
    x = 17,705,030.68/5,610.50
  6. Step 6: Final answer
    x = 3,155.70

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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.