Home / 4,614.31-6,920.43-1,326.67

Finding the Fourth Proportional to 4,614.31, 6,920.43 and 1,326.67

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Solution

The fourth proportional to 4,614.31, 6,920.43 and 1,326.67 is: 1,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.31 : 6,920.43 = 1,326.67 : x
  2. Step 2: Convert to fraction form
    4,614.31/6,920.43 = 1,326.67/x
  3. Step 3: Cross multiply
    4,614.31x = 6,920.43 × 1,326.67
  4. Step 4: Simplify right side
    4,614.31x = 9,181,126.87
  5. Step 5: Solve for x
    x = 9,181,126.87/4,614.31
  6. Step 6: Final answer
    x = 1,989.71

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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.