Home / 6,554.55-9,045.29-3,902.05

Finding the Fourth Proportional to 6,554.55, 9,045.29 and 3,902.05

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Solution

The fourth proportional to 6,554.55, 9,045.29 and 3,902.05 is: 5,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.55 : 9,045.29 = 3,902.05 : x
  2. Step 2: Convert to fraction form
    6,554.55/9,045.29 = 3,902.05/x
  3. Step 3: Cross multiply
    6,554.55x = 9,045.29 × 3,902.05
  4. Step 4: Simplify right side
    6,554.55x = 35,295,109.11
  5. Step 5: Solve for x
    x = 35,295,109.11/6,554.55
  6. Step 6: Final answer
    x = 5,384.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.