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Finding the Fourth Proportional to 6,012.98, 8,291.16 and 3,885.71

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Solution

The fourth proportional to 6,012.98, 8,291.16 and 3,885.71 is: 5,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,012.98 : 8,291.16 = 3,885.71 : x
  2. Step 2: Convert to fraction form
    6,012.98/8,291.16 = 3,885.71/x
  3. Step 3: Cross multiply
    6,012.98x = 8,291.16 × 3,885.71
  4. Step 4: Simplify right side
    6,012.98x = 32,217,043.32
  5. Step 5: Solve for x
    x = 32,217,043.32/6,012.98
  6. Step 6: Final answer
    x = 5,357.92

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1.5x scale

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.