Home / 5,361.56-8,038.49-1,661.77

Finding the Fourth Proportional to 5,361.56, 8,038.49 and 1,661.77

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Solution

The fourth proportional to 5,361.56, 8,038.49 and 1,661.77 is: 2,491.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.56 : 8,038.49 = 1,661.77 : x
  2. Step 2: Convert to fraction form
    5,361.56/8,038.49 = 1,661.77/x
  3. Step 3: Cross multiply
    5,361.56x = 8,038.49 × 1,661.77
  4. Step 4: Simplify right side
    5,361.56x = 13,358,073.03
  5. Step 5: Solve for x
    x = 13,358,073.03/5,361.56
  6. Step 6: Final answer
    x = 2,491.46

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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.