Home / 5,470.31-8,206.06-1,521.58

Finding the Fourth Proportional to 5,470.31, 8,206.06 and 1,521.58

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Solution

The fourth proportional to 5,470.31, 8,206.06 and 1,521.58 is: 2,282.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.31 : 8,206.06 = 1,521.58 : x
  2. Step 2: Convert to fraction form
    5,470.31/8,206.06 = 1,521.58/x
  3. Step 3: Cross multiply
    5,470.31x = 8,206.06 × 1,521.58
  4. Step 4: Simplify right side
    5,470.31x = 12,486,189.68
  5. Step 5: Solve for x
    x = 12,486,189.68/5,470.31
  6. Step 6: Final answer
    x = 2,282.54

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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.