Home / 7,709.04-11,565.36-2,777.76

Finding the Fourth Proportional to 7,709.04, 11,565.36 and 2,777.76

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Solution

The fourth proportional to 7,709.04, 11,565.36 and 2,777.76 is: 4,167.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.04 : 11,565.36 = 2,777.76 : x
  2. Step 2: Convert to fraction form
    7,709.04/11,565.36 = 2,777.76/x
  3. Step 3: Cross multiply
    7,709.04x = 11,565.36 × 2,777.76
  4. Step 4: Simplify right side
    7,709.04x = 32,125,794.39
  5. Step 5: Solve for x
    x = 32,125,794.39/7,709.04
  6. Step 6: Final answer
    x = 4,167.29

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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.