Home / 4,892.39-7,339.10-2,119.34

Finding the Fourth Proportional to 4,892.39, 7,339.10 and 2,119.34

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Solution

The fourth proportional to 4,892.39, 7,339.10 and 2,119.34 is: 3,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.39 : 7,339.10 = 2,119.34 : x
  2. Step 2: Convert to fraction form
    4,892.39/7,339.10 = 2,119.34/x
  3. Step 3: Cross multiply
    4,892.39x = 7,339.10 × 2,119.34
  4. Step 4: Simplify right side
    4,892.39x = 15,554,061.24
  5. Step 5: Solve for x
    x = 15,554,061.24/4,892.39
  6. Step 6: Final answer
    x = 3,179.24

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1.5x scale

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.