Home / 6,181.95-9,276.45-6,131.79

Finding the Fourth Proportional to 6,181.95, 9,276.45 and 6,131.79

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Solution

The fourth proportional to 6,181.95, 9,276.45 and 6,131.79 is: 9,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.95 : 9,276.45 = 6,131.79 : x
  2. Step 2: Convert to fraction form
    6,181.95/9,276.45 = 6,131.79/x
  3. Step 3: Cross multiply
    6,181.95x = 9,276.45 × 6,131.79
  4. Step 4: Simplify right side
    6,181.95x = 56,881,243.35
  5. Step 5: Solve for x
    x = 56,881,243.35/6,181.95
  6. Step 6: Final answer
    x = 9,201.18

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1.5x scale

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.