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Finding the Fourth Proportional to 5,926.94, 8,890.86 and 2,031.32

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Solution

The fourth proportional to 5,926.94, 8,890.86 and 2,031.32 is: 3,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,926.94 : 8,890.86 = 2,031.32 : x
  2. Step 2: Convert to fraction form
    5,926.94/8,890.86 = 2,031.32/x
  3. Step 3: Cross multiply
    5,926.94x = 8,890.86 × 2,031.32
  4. Step 4: Simplify right side
    5,926.94x = 18,060,181.74
  5. Step 5: Solve for x
    x = 18,060,181.74/5,926.94
  6. Step 6: Final answer
    x = 3,047.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.