Home / 7,041.24-9,716.85-3,897.36

Finding the Fourth Proportional to 7,041.24, 9,716.85 and 3,897.36

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Solution

The fourth proportional to 7,041.24, 9,716.85 and 3,897.36 is: 5,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.24 : 9,716.85 = 3,897.36 : x
  2. Step 2: Convert to fraction form
    7,041.24/9,716.85 = 3,897.36/x
  3. Step 3: Cross multiply
    7,041.24x = 9,716.85 × 3,897.36
  4. Step 4: Simplify right side
    7,041.24x = 37,870,062.52
  5. Step 5: Solve for x
    x = 37,870,062.52/7,041.24
  6. Step 6: Final answer
    x = 5,378.32

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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.