Home / 8,225.70-11,351.48-4,689.11

Finding the Fourth Proportional to 8,225.70, 11,351.48 and 4,689.11

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Solution

The fourth proportional to 8,225.70, 11,351.48 and 4,689.11 is: 6,470.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.70 : 11,351.48 = 4,689.11 : x
  2. Step 2: Convert to fraction form
    8,225.70/11,351.48 = 4,689.11/x
  3. Step 3: Cross multiply
    8,225.70x = 11,351.48 × 4,689.11
  4. Step 4: Simplify right side
    8,225.70x = 53,228,258.18
  5. Step 5: Solve for x
    x = 53,228,258.18/8,225.70
  6. Step 6: Final answer
    x = 6,470.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.