Home / 8,481.46-12,710.34-7,225.51

Finding the Fourth Proportional to 8,481.46, 12,710.34 and 7,225.51

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Solution

The fourth proportional to 8,481.46, 12,710.34 and 7,225.51 is: 10,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.46 : 12,710.34 = 7,225.51 : x
  2. Step 2: Convert to fraction form
    8,481.46/12,710.34 = 7,225.51/x
  3. Step 3: Cross multiply
    8,481.46x = 12,710.34 × 7,225.51
  4. Step 4: Simplify right side
    8,481.46x = 91,838,704.66
  5. Step 5: Solve for x
    x = 91,838,704.66/8,481.46
  6. Step 6: Final answer
    x = 10,828.17

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1.5x scale

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.