Home / 4,614.48-6,920.79-1,326.80

Finding the Fourth Proportional to 4,614.48, 6,920.79 and 1,326.80

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Solution

The fourth proportional to 4,614.48, 6,920.79 and 1,326.80 is: 1,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.48 : 6,920.79 = 1,326.80 : x
  2. Step 2: Convert to fraction form
    4,614.48/6,920.79 = 1,326.80/x
  3. Step 3: Cross multiply
    4,614.48x = 6,920.79 × 1,326.80
  4. Step 4: Simplify right side
    4,614.48x = 9,182,504.17
  5. Step 5: Solve for x
    x = 9,182,504.17/4,614.48
  6. Step 6: Final answer
    x = 1,989.93

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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.