Home / 5,341.07-7,371.63-3,187.76

Finding the Fourth Proportional to 5,341.07, 7,371.63 and 3,187.76

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Solution

The fourth proportional to 5,341.07, 7,371.63 and 3,187.76 is: 4,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341.07 : 7,371.63 = 3,187.76 : x
  2. Step 2: Convert to fraction form
    5,341.07/7,371.63 = 3,187.76/x
  3. Step 3: Cross multiply
    5,341.07x = 7,371.63 × 3,187.76
  4. Step 4: Simplify right side
    5,341.07x = 23,498,950.39
  5. Step 5: Solve for x
    x = 23,498,950.39/5,341.07
  6. Step 6: Final answer
    x = 4,399.68

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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.