Home / 7,711.08-11,566.62-2,165.01

Finding the Fourth Proportional to 7,711.08, 11,566.62 and 2,165.01

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Solution

The fourth proportional to 7,711.08, 11,566.62 and 2,165.01 is: 3,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.08 : 11,566.62 = 2,165.01 : x
  2. Step 2: Convert to fraction form
    7,711.08/11,566.62 = 2,165.01/x
  3. Step 3: Cross multiply
    7,711.08x = 11,566.62 × 2,165.01
  4. Step 4: Simplify right side
    7,711.08x = 25,041,847.97
  5. Step 5: Solve for x
    x = 25,041,847.97/7,711.08
  6. Step 6: Final answer
    x = 3,247.52

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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.