Home / 8,423.51-12,629.87-3,496.55

Finding the Fourth Proportional to 8,423.51, 12,629.87 and 3,496.55

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Solution

The fourth proportional to 8,423.51, 12,629.87 and 3,496.55 is: 5,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.51 : 12,629.87 = 3,496.55 : x
  2. Step 2: Convert to fraction form
    8,423.51/12,629.87 = 3,496.55/x
  3. Step 3: Cross multiply
    8,423.51x = 12,629.87 × 3,496.55
  4. Step 4: Simplify right side
    8,423.51x = 44,160,954.47
  5. Step 5: Solve for x
    x = 44,160,954.47/8,423.51
  6. Step 6: Final answer
    x = 5,242.58

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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.