Home / 5,089.39-7,634.25-2,420.42

Finding the Fourth Proportional to 5,089.39, 7,634.25 and 2,420.42

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Solution

The fourth proportional to 5,089.39, 7,634.25 and 2,420.42 is: 3,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.39 : 7,634.25 = 2,420.42 : x
  2. Step 2: Convert to fraction form
    5,089.39/7,634.25 = 2,420.42/x
  3. Step 3: Cross multiply
    5,089.39x = 7,634.25 × 2,420.42
  4. Step 4: Simplify right side
    5,089.39x = 18,478,053.21
  5. Step 5: Solve for x
    x = 18,478,053.21/5,089.39
  6. Step 6: Final answer
    x = 3,630.70

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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.