Home / 5,201.39-7,178.15-3,210.41

Finding the Fourth Proportional to 5,201.39, 7,178.15 and 3,210.41

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Solution

The fourth proportional to 5,201.39, 7,178.15 and 3,210.41 is: 4,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.39 : 7,178.15 = 3,210.41 : x
  2. Step 2: Convert to fraction form
    5,201.39/7,178.15 = 3,210.41/x
  3. Step 3: Cross multiply
    5,201.39x = 7,178.15 × 3,210.41
  4. Step 4: Simplify right side
    5,201.39x = 23,044,804.54
  5. Step 5: Solve for x
    x = 23,044,804.54/5,201.39
  6. Step 6: Final answer
    x = 4,430.51

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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.