Home / 7,288.40-10,934.48-2,608.22

Finding the Fourth Proportional to 7,288.40, 10,934.48 and 2,608.22

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Solution

The fourth proportional to 7,288.40, 10,934.48 and 2,608.22 is: 3,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.40 : 10,934.48 = 2,608.22 : x
  2. Step 2: Convert to fraction form
    7,288.40/10,934.48 = 2,608.22/x
  3. Step 3: Cross multiply
    7,288.40x = 10,934.48 × 2,608.22
  4. Step 4: Simplify right side
    7,288.40x = 28,519,529.43
  5. Step 5: Solve for x
    x = 28,519,529.43/7,288.40
  6. Step 6: Final answer
    x = 3,913.00

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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.