Home / 4,614.39-6,920.73-1,326.81

Finding the Fourth Proportional to 4,614.39, 6,920.73 and 1,326.81

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Solution

The fourth proportional to 4,614.39, 6,920.73 and 1,326.81 is: 1,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.39 : 6,920.73 = 1,326.81 : x
  2. Step 2: Convert to fraction form
    4,614.39/6,920.73 = 1,326.81/x
  3. Step 3: Cross multiply
    4,614.39x = 6,920.73 × 1,326.81
  4. Step 4: Simplify right side
    4,614.39x = 9,182,493.77
  5. Step 5: Solve for x
    x = 9,182,493.77/4,614.39
  6. Step 6: Final answer
    x = 1,989.97

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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.