Home / 5,531.57-8,297.42-1,636.05

Finding the Fourth Proportional to 5,531.57, 8,297.42 and 1,636.05

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Solution

The fourth proportional to 5,531.57, 8,297.42 and 1,636.05 is: 2,454.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.57 : 8,297.42 = 1,636.05 : x
  2. Step 2: Convert to fraction form
    5,531.57/8,297.42 = 1,636.05/x
  3. Step 3: Cross multiply
    5,531.57x = 8,297.42 × 1,636.05
  4. Step 4: Simplify right side
    5,531.57x = 13,574,985.81
  5. Step 5: Solve for x
    x = 13,574,985.81/5,531.57
  6. Step 6: Final answer
    x = 2,454.09

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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.