Home / 7,041.35-9,716.91-3,897.54

Finding the Fourth Proportional to 7,041.35, 9,716.91 and 3,897.54

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Solution

The fourth proportional to 7,041.35, 9,716.91 and 3,897.54 is: 5,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.35 : 9,716.91 = 3,897.54 : x
  2. Step 2: Convert to fraction form
    7,041.35/9,716.91 = 3,897.54/x
  3. Step 3: Cross multiply
    7,041.35x = 9,716.91 × 3,897.54
  4. Step 4: Simplify right side
    7,041.35x = 37,872,045.40
  5. Step 5: Solve for x
    x = 37,872,045.40/7,041.35
  6. Step 6: Final answer
    x = 5,378.52

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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.