Home / 4,614.21-6,920.57-1,326.56

Finding the Fourth Proportional to 4,614.21, 6,920.57 and 1,326.56

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Solution

The fourth proportional to 4,614.21, 6,920.57 and 1,326.56 is: 1,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.21 : 6,920.57 = 1,326.56 : x
  2. Step 2: Convert to fraction form
    4,614.21/6,920.57 = 1,326.56/x
  3. Step 3: Cross multiply
    4,614.21x = 6,920.57 × 1,326.56
  4. Step 4: Simplify right side
    4,614.21x = 9,180,510.10
  5. Step 5: Solve for x
    x = 9,180,510.10/4,614.21
  6. Step 6: Final answer
    x = 1,989.62

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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.