Home / 7,709.16-11,561.04-2,777.46

Finding the Fourth Proportional to 7,709.16, 11,561.04 and 2,777.46

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Solution

The fourth proportional to 7,709.16, 11,561.04 and 2,777.46 is: 4,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.16 : 11,561.04 = 2,777.46 : x
  2. Step 2: Convert to fraction form
    7,709.16/11,561.04 = 2,777.46/x
  3. Step 3: Cross multiply
    7,709.16x = 11,561.04 × 2,777.46
  4. Step 4: Simplify right side
    7,709.16x = 32,110,326.16
  5. Step 5: Solve for x
    x = 32,110,326.16/7,709.16
  6. Step 6: Final answer
    x = 4,165.22

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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.