Home / 7,288.24-10,934.34-2,908.80

Finding the Fourth Proportional to 7,288.24, 10,934.34 and 2,908.80

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Solution

The fourth proportional to 7,288.24, 10,934.34 and 2,908.80 is: 4,363.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.24 : 10,934.34 = 2,908.80 : x
  2. Step 2: Convert to fraction form
    7,288.24/10,934.34 = 2,908.80/x
  3. Step 3: Cross multiply
    7,288.24x = 10,934.34 × 2,908.80
  4. Step 4: Simplify right side
    7,288.24x = 31,805,808.19
  5. Step 5: Solve for x
    x = 31,805,808.19/7,288.24
  6. Step 6: Final answer
    x = 4,363.99

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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.