Home / 5,411.22-8,116.83-2,491.58

Finding the Fourth Proportional to 5,411.22, 8,116.83 and 2,491.58

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Solution

The fourth proportional to 5,411.22, 8,116.83 and 2,491.58 is: 3,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.22 : 8,116.83 = 2,491.58 : x
  2. Step 2: Convert to fraction form
    5,411.22/8,116.83 = 2,491.58/x
  3. Step 3: Cross multiply
    5,411.22x = 8,116.83 × 2,491.58
  4. Step 4: Simplify right side
    5,411.22x = 20,223,690.71
  5. Step 5: Solve for x
    x = 20,223,690.71/5,411.22
  6. Step 6: Final answer
    x = 3,737.36

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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.