Home / 8,965.35-12,371.97-4,986.45

Finding the Fourth Proportional to 8,965.35, 12,371.97 and 4,986.45

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Solution

The fourth proportional to 8,965.35, 12,371.97 and 4,986.45 is: 6,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.35 : 12,371.97 = 4,986.45 : x
  2. Step 2: Convert to fraction form
    8,965.35/12,371.97 = 4,986.45/x
  3. Step 3: Cross multiply
    8,965.35x = 12,371.97 × 4,986.45
  4. Step 4: Simplify right side
    8,965.35x = 61,692,209.81
  5. Step 5: Solve for x
    x = 61,692,209.81/8,965.35
  6. Step 6: Final answer
    x = 6,881.18

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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.