Home / 8,965.59-12,372.35-4,986.66

Finding the Fourth Proportional to 8,965.59, 12,372.35 and 4,986.66

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Solution

The fourth proportional to 8,965.59, 12,372.35 and 4,986.66 is: 6,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.59 : 12,372.35 = 4,986.66 : x
  2. Step 2: Convert to fraction form
    8,965.59/12,372.35 = 4,986.66/x
  3. Step 3: Cross multiply
    8,965.59x = 12,372.35 × 4,986.66
  4. Step 4: Simplify right side
    8,965.59x = 61,696,724.31
  5. Step 5: Solve for x
    x = 61,696,724.31/8,965.59
  6. Step 6: Final answer
    x = 6,881.50

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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.