Home / 7,709.08-11,561.52-2,162.08

Finding the Fourth Proportional to 7,709.08, 11,561.52 and 2,162.08

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Solution

The fourth proportional to 7,709.08, 11,561.52 and 2,162.08 is: 3,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.08 : 11,561.52 = 2,162.08 : x
  2. Step 2: Convert to fraction form
    7,709.08/11,561.52 = 2,162.08/x
  3. Step 3: Cross multiply
    7,709.08x = 11,561.52 × 2,162.08
  4. Step 4: Simplify right side
    7,709.08x = 24,996,931.16
  5. Step 5: Solve for x
    x = 24,996,931.16/7,709.08
  6. Step 6: Final answer
    x = 3,242.53

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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.