Home / 5,436.33-8,154.23-3,186.11

Finding the Fourth Proportional to 5,436.33, 8,154.23 and 3,186.11

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Solution

The fourth proportional to 5,436.33, 8,154.23 and 3,186.11 is: 4,779.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.33 : 8,154.23 = 3,186.11 : x
  2. Step 2: Convert to fraction form
    5,436.33/8,154.23 = 3,186.11/x
  3. Step 3: Cross multiply
    5,436.33x = 8,154.23 × 3,186.11
  4. Step 4: Simplify right side
    5,436.33x = 25,980,264.23
  5. Step 5: Solve for x
    x = 25,980,264.23/5,436.33
  6. Step 6: Final answer
    x = 4,779.01

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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.