Home / 4,424.78-6,637.20-2,109.26

Finding the Fourth Proportional to 4,424.78, 6,637.20 and 2,109.26

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Solution

The fourth proportional to 4,424.78, 6,637.20 and 2,109.26 is: 3,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,424.78 : 6,637.20 = 2,109.26 : x
  2. Step 2: Convert to fraction form
    4,424.78/6,637.20 = 2,109.26/x
  3. Step 3: Cross multiply
    4,424.78x = 6,637.20 × 2,109.26
  4. Step 4: Simplify right side
    4,424.78x = 13,999,580.47
  5. Step 5: Solve for x
    x = 13,999,580.47/4,424.78
  6. Step 6: Final answer
    x = 3,163.90

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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.