Home / 7,623.20-11,434.78-3,926.48

Finding the Fourth Proportional to 7,623.20, 11,434.78 and 3,926.48

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Solution

The fourth proportional to 7,623.20, 11,434.78 and 3,926.48 is: 5,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.20 : 11,434.78 = 3,926.48 : x
  2. Step 2: Convert to fraction form
    7,623.20/11,434.78 = 3,926.48/x
  3. Step 3: Cross multiply
    7,623.20x = 11,434.78 × 3,926.48
  4. Step 4: Simplify right side
    7,623.20x = 44,898,484.71
  5. Step 5: Solve for x
    x = 44,898,484.71/7,623.20
  6. Step 6: Final answer
    x = 5,889.72

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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.