Home / 7,985.27-11,984.29-3,603.07

Finding the Fourth Proportional to 7,985.27, 11,984.29 and 3,603.07

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Solution

The fourth proportional to 7,985.27, 11,984.29 and 3,603.07 is: 5,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.27 : 11,984.29 = 3,603.07 : x
  2. Step 2: Convert to fraction form
    7,985.27/11,984.29 = 3,603.07/x
  3. Step 3: Cross multiply
    7,985.27x = 11,984.29 × 3,603.07
  4. Step 4: Simplify right side
    7,985.27x = 43,180,235.77
  5. Step 5: Solve for x
    x = 43,180,235.77/7,985.27
  6. Step 6: Final answer
    x = 5,407.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.