Home / 7,221.75-10,832.45-2,291.67

Finding the Fourth Proportional to 7,221.75, 10,832.45 and 2,291.67

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Solution

The fourth proportional to 7,221.75, 10,832.45 and 2,291.67 is: 3,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.75 : 10,832.45 = 2,291.67 : x
  2. Step 2: Convert to fraction form
    7,221.75/10,832.45 = 2,291.67/x
  3. Step 3: Cross multiply
    7,221.75x = 10,832.45 × 2,291.67
  4. Step 4: Simplify right side
    7,221.75x = 24,824,389.23
  5. Step 5: Solve for x
    x = 24,824,389.23/7,221.75
  6. Step 6: Final answer
    x = 3,437.45

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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.