Home / 5,740.02-8,610.12-2,619.90

Finding the Fourth Proportional to 5,740.02, 8,610.12 and 2,619.90

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Solution

The fourth proportional to 5,740.02, 8,610.12 and 2,619.90 is: 3,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.02 : 8,610.12 = 2,619.90 : x
  2. Step 2: Convert to fraction form
    5,740.02/8,610.12 = 2,619.90/x
  3. Step 3: Cross multiply
    5,740.02x = 8,610.12 × 2,619.90
  4. Step 4: Simplify right side
    5,740.02x = 22,557,653.39
  5. Step 5: Solve for x
    x = 22,557,653.39/5,740.02
  6. Step 6: Final answer
    x = 3,929.89

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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.