Home / 9,018.90-13,528.76-3,470.27

Finding the Fourth Proportional to 9,018.90, 13,528.76 and 3,470.27

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Solution

The fourth proportional to 9,018.90, 13,528.76 and 3,470.27 is: 5,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.90 : 13,528.76 = 3,470.27 : x
  2. Step 2: Convert to fraction form
    9,018.90/13,528.76 = 3,470.27/x
  3. Step 3: Cross multiply
    9,018.90x = 13,528.76 × 3,470.27
  4. Step 4: Simplify right side
    9,018.90x = 46,948,364.97
  5. Step 5: Solve for x
    x = 46,948,364.97/9,018.90
  6. Step 6: Final answer
    x = 5,205.55

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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.