Home / 5,645.05-8,470.02-2,358.88

Finding the Fourth Proportional to 5,645.05, 8,470.02 and 2,358.88

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Solution

The fourth proportional to 5,645.05, 8,470.02 and 2,358.88 is: 3,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.05 : 8,470.02 = 2,358.88 : x
  2. Step 2: Convert to fraction form
    5,645.05/8,470.02 = 2,358.88/x
  3. Step 3: Cross multiply
    5,645.05x = 8,470.02 × 2,358.88
  4. Step 4: Simplify right side
    5,645.05x = 19,979,760.78
  5. Step 5: Solve for x
    x = 19,979,760.78/5,645.05
  6. Step 6: Final answer
    x = 3,539.34

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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.