Home / 7,616.90-11,426.19-2,421.56

Finding the Fourth Proportional to 7,616.90, 11,426.19 and 2,421.56

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Solution

The fourth proportional to 7,616.90, 11,426.19 and 2,421.56 is: 3,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.90 : 11,426.19 = 2,421.56 : x
  2. Step 2: Convert to fraction form
    7,616.90/11,426.19 = 2,421.56/x
  3. Step 3: Cross multiply
    7,616.90x = 11,426.19 × 2,421.56
  4. Step 4: Simplify right side
    7,616.90x = 27,669,204.66
  5. Step 5: Solve for x
    x = 27,669,204.66/7,616.90
  6. Step 6: Final answer
    x = 3,632.61

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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.