Home / 4,237.28-6,322-3,688.64

Finding the Fourth Proportional to 4,237.28, 6,322 and 3,688.64

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Solution

The fourth proportional to 4,237.28, 6,322 and 3,688.64 is: 5,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,237.28 : 6,322 = 3,688.64 : x
  2. Step 2: Convert to fraction form
    4,237.28/6,322 = 3,688.64/x
  3. Step 3: Cross multiply
    4,237.28x = 6,322 × 3,688.64
  4. Step 4: Simplify right side
    4,237.28x = 23,319,582.08
  5. Step 5: Solve for x
    x = 23,319,582.08/4,237.28
  6. Step 6: Final answer
    x = 5,503.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.