Home / 7,041.02-9,716.08-3,897.26

Finding the Fourth Proportional to 7,041.02, 9,716.08 and 3,897.26

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Solution

The fourth proportional to 7,041.02, 9,716.08 and 3,897.26 is: 5,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.02 : 9,716.08 = 3,897.26 : x
  2. Step 2: Convert to fraction form
    7,041.02/9,716.08 = 3,897.26/x
  3. Step 3: Cross multiply
    7,041.02x = 9,716.08 × 3,897.26
  4. Step 4: Simplify right side
    7,041.02x = 37,866,089.94
  5. Step 5: Solve for x
    x = 37,866,089.94/7,041.02
  6. Step 6: Final answer
    x = 5,377.93

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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.