Home / 7,127.68-10,683.95-2,743.24

Finding the Fourth Proportional to 7,127.68, 10,683.95 and 2,743.24

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Solution

The fourth proportional to 7,127.68, 10,683.95 and 2,743.24 is: 4,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.68 : 10,683.95 = 2,743.24 : x
  2. Step 2: Convert to fraction form
    7,127.68/10,683.95 = 2,743.24/x
  3. Step 3: Cross multiply
    7,127.68x = 10,683.95 × 2,743.24
  4. Step 4: Simplify right side
    7,127.68x = 29,308,585.58
  5. Step 5: Solve for x
    x = 29,308,585.58/7,127.68
  6. Step 6: Final answer
    x = 4,111.94

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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.