Home / 8,087.64-12,131.46-2,541.47

Finding the Fourth Proportional to 8,087.64, 12,131.46 and 2,541.47

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Solution

The fourth proportional to 8,087.64, 12,131.46 and 2,541.47 is: 3,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.64 : 12,131.46 = 2,541.47 : x
  2. Step 2: Convert to fraction form
    8,087.64/12,131.46 = 2,541.47/x
  3. Step 3: Cross multiply
    8,087.64x = 12,131.46 × 2,541.47
  4. Step 4: Simplify right side
    8,087.64x = 30,831,741.65
  5. Step 5: Solve for x
    x = 30,831,741.65/8,087.64
  6. Step 6: Final answer
    x = 3,812.21

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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.