Home / 5,902.19-8,145.05-3,384.39

Finding the Fourth Proportional to 5,902.19, 8,145.05 and 3,384.39

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Solution

The fourth proportional to 5,902.19, 8,145.05 and 3,384.39 is: 4,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.19 : 8,145.05 = 3,384.39 : x
  2. Step 2: Convert to fraction form
    5,902.19/8,145.05 = 3,384.39/x
  3. Step 3: Cross multiply
    5,902.19x = 8,145.05 × 3,384.39
  4. Step 4: Simplify right side
    5,902.19x = 27,566,008.85
  5. Step 5: Solve for x
    x = 27,566,008.85/5,902.19
  6. Step 6: Final answer
    x = 4,670.48

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1.5x scale

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.