Home / 5,102.39-7,043.96-3,216.71

Finding the Fourth Proportional to 5,102.39, 7,043.96 and 3,216.71

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Solution

The fourth proportional to 5,102.39, 7,043.96 and 3,216.71 is: 4,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.39 : 7,043.96 = 3,216.71 : x
  2. Step 2: Convert to fraction form
    5,102.39/7,043.96 = 3,216.71/x
  3. Step 3: Cross multiply
    5,102.39x = 7,043.96 × 3,216.71
  4. Step 4: Simplify right side
    5,102.39x = 22,658,402.22
  5. Step 5: Solve for x
    x = 22,658,402.22/5,102.39
  6. Step 6: Final answer
    x = 4,440.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.