Home / 7,081.76-10,624.58-2,151.56

Finding the Fourth Proportional to 7,081.76, 10,624.58 and 2,151.56

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Solution

The fourth proportional to 7,081.76, 10,624.58 and 2,151.56 is: 3,227.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.76 : 10,624.58 = 2,151.56 : x
  2. Step 2: Convert to fraction form
    7,081.76/10,624.58 = 2,151.56/x
  3. Step 3: Cross multiply
    7,081.76x = 10,624.58 × 2,151.56
  4. Step 4: Simplify right side
    7,081.76x = 22,859,421.34
  5. Step 5: Solve for x
    x = 22,859,421.34/7,081.76
  6. Step 6: Final answer
    x = 3,227.93

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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.