Home / 7,707.18-11,559.72-2,776.14

Finding the Fourth Proportional to 7,707.18, 11,559.72 and 2,776.14

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Solution

The fourth proportional to 7,707.18, 11,559.72 and 2,776.14 is: 4,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.18 : 11,559.72 = 2,776.14 : x
  2. Step 2: Convert to fraction form
    7,707.18/11,559.72 = 2,776.14/x
  3. Step 3: Cross multiply
    7,707.18x = 11,559.72 × 2,776.14
  4. Step 4: Simplify right side
    7,707.18x = 32,091,401.08
  5. Step 5: Solve for x
    x = 32,091,401.08/7,707.18
  6. Step 6: Final answer
    x = 4,163.83

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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.