Home / 8,181.13-11,291.43-4,823.74

Finding the Fourth Proportional to 8,181.13, 11,291.43 and 4,823.74

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Solution

The fourth proportional to 8,181.13, 11,291.43 and 4,823.74 is: 6,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.13 : 11,291.43 = 4,823.74 : x
  2. Step 2: Convert to fraction form
    8,181.13/11,291.43 = 4,823.74/x
  3. Step 3: Cross multiply
    8,181.13x = 11,291.43 × 4,823.74
  4. Step 4: Simplify right side
    8,181.13x = 54,466,922.55
  5. Step 5: Solve for x
    x = 54,466,922.55/8,181.13
  6. Step 6: Final answer
    x = 6,657.63

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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.