Home / 7,277.24-10,917.10-2,660.20

Finding the Fourth Proportional to 7,277.24, 10,917.10 and 2,660.20

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Solution

The fourth proportional to 7,277.24, 10,917.10 and 2,660.20 is: 3,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.24 : 10,917.10 = 2,660.20 : x
  2. Step 2: Convert to fraction form
    7,277.24/10,917.10 = 2,660.20/x
  3. Step 3: Cross multiply
    7,277.24x = 10,917.10 × 2,660.20
  4. Step 4: Simplify right side
    7,277.24x = 29,041,669.42
  5. Step 5: Solve for x
    x = 29,041,669.42/7,277.24
  6. Step 6: Final answer
    x = 3,990.75

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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.