Home / 7,361.28-10,146.06-5,127.30

Finding the Fourth Proportional to 7,361.28, 10,146.06 and 5,127.30

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Solution

The fourth proportional to 7,361.28, 10,146.06 and 5,127.30 is: 7,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.28 : 10,146.06 = 5,127.30 : x
  2. Step 2: Convert to fraction form
    7,361.28/10,146.06 = 5,127.30/x
  3. Step 3: Cross multiply
    7,361.28x = 10,146.06 × 5,127.30
  4. Step 4: Simplify right side
    7,361.28x = 52,021,893.44
  5. Step 5: Solve for x
    x = 52,021,893.44/7,361.28
  6. Step 6: Final answer
    x = 7,066.96

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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.