Home / 4,614.42-6,920.64-1,326.90

Finding the Fourth Proportional to 4,614.42, 6,920.64 and 1,326.90

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Solution

The fourth proportional to 4,614.42, 6,920.64 and 1,326.90 is: 1,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.42 : 6,920.64 = 1,326.90 : x
  2. Step 2: Convert to fraction form
    4,614.42/6,920.64 = 1,326.90/x
  3. Step 3: Cross multiply
    4,614.42x = 6,920.64 × 1,326.90
  4. Step 4: Simplify right side
    4,614.42x = 9,182,997.22
  5. Step 5: Solve for x
    x = 9,182,997.22/4,614.42
  6. Step 6: Final answer
    x = 1,990.07

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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.