Home / 8,965.14-12,374.37-5,239.86

Finding the Fourth Proportional to 8,965.14, 12,374.37 and 5,239.86

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Solution

The fourth proportional to 8,965.14, 12,374.37 and 5,239.86 is: 7,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.14 : 12,374.37 = 5,239.86 : x
  2. Step 2: Convert to fraction form
    8,965.14/12,374.37 = 5,239.86/x
  3. Step 3: Cross multiply
    8,965.14x = 12,374.37 × 5,239.86
  4. Step 4: Simplify right side
    8,965.14x = 64,839,966.39
  5. Step 5: Solve for x
    x = 64,839,966.39/8,965.14
  6. Step 6: Final answer
    x = 7,232.45

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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.