Home / 5,436.77-8,158.81-1,974.02

Finding the Fourth Proportional to 5,436.77, 8,158.81 and 1,974.02

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Solution

The fourth proportional to 5,436.77, 8,158.81 and 1,974.02 is: 2,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.77 : 8,158.81 = 1,974.02 : x
  2. Step 2: Convert to fraction form
    5,436.77/8,158.81 = 1,974.02/x
  3. Step 3: Cross multiply
    5,436.77x = 8,158.81 × 1,974.02
  4. Step 4: Simplify right side
    5,436.77x = 16,105,669.58
  5. Step 5: Solve for x
    x = 16,105,669.58/5,436.77
  6. Step 6: Final answer
    x = 2,962.36

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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.