Home / 8,965.53-12,372.72-4,986.54

Finding the Fourth Proportional to 8,965.53, 12,372.72 and 4,986.54

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Solution

The fourth proportional to 8,965.53, 12,372.72 and 4,986.54 is: 6,881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.53 : 12,372.72 = 4,986.54 : x
  2. Step 2: Convert to fraction form
    8,965.53/12,372.72 = 4,986.54/x
  3. Step 3: Cross multiply
    8,965.53x = 12,372.72 × 4,986.54
  4. Step 4: Simplify right side
    8,965.53x = 61,697,063.19
  5. Step 5: Solve for x
    x = 61,697,063.19/8,965.53
  6. Step 6: Final answer
    x = 6,881.59

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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.