Home / 9,072.64-13,614.20-3,807.18

Finding the Fourth Proportional to 9,072.64, 13,614.20 and 3,807.18

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Solution

The fourth proportional to 9,072.64, 13,614.20 and 3,807.18 is: 5,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.64 : 13,614.20 = 3,807.18 : x
  2. Step 2: Convert to fraction form
    9,072.64/13,614.20 = 3,807.18/x
  3. Step 3: Cross multiply
    9,072.64x = 13,614.20 × 3,807.18
  4. Step 4: Simplify right side
    9,072.64x = 51,831,709.96
  5. Step 5: Solve for x
    x = 51,831,709.96/9,072.64
  6. Step 6: Final answer
    x = 5,712.97

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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.