Home / 7,127.41-10,688.01-2,741.78

Finding the Fourth Proportional to 7,127.41, 10,688.01 and 2,741.78

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Solution

The fourth proportional to 7,127.41, 10,688.01 and 2,741.78 is: 4,111.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.41 : 10,688.01 = 2,741.78 : x
  2. Step 2: Convert to fraction form
    7,127.41/10,688.01 = 2,741.78/x
  3. Step 3: Cross multiply
    7,127.41x = 10,688.01 × 2,741.78
  4. Step 4: Simplify right side
    7,127.41x = 29,304,172.06
  5. Step 5: Solve for x
    x = 29,304,172.06/7,127.41
  6. Step 6: Final answer
    x = 4,111.48

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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.