Home / 5,491.79-7,578.19-3,253.26

Finding the Fourth Proportional to 5,491.79, 7,578.19 and 3,253.26

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Solution

The fourth proportional to 5,491.79, 7,578.19 and 3,253.26 is: 4,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.79 : 7,578.19 = 3,253.26 : x
  2. Step 2: Convert to fraction form
    5,491.79/7,578.19 = 3,253.26/x
  3. Step 3: Cross multiply
    5,491.79x = 7,578.19 × 3,253.26
  4. Step 4: Simplify right side
    5,491.79x = 24,653,822.40
  5. Step 5: Solve for x
    x = 24,653,822.40/5,491.79
  6. Step 6: Final answer
    x = 4,489.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.