Home / 5,142.09-7,096.40-2,903.92

Finding the Fourth Proportional to 5,142.09, 7,096.40 and 2,903.92

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Solution

The fourth proportional to 5,142.09, 7,096.40 and 2,903.92 is: 4,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.09 : 7,096.40 = 2,903.92 : x
  2. Step 2: Convert to fraction form
    5,142.09/7,096.40 = 2,903.92/x
  3. Step 3: Cross multiply
    5,142.09x = 7,096.40 × 2,903.92
  4. Step 4: Simplify right side
    5,142.09x = 20,607,356.52
  5. Step 5: Solve for x
    x = 20,607,356.52/5,142.09
  6. Step 6: Final answer
    x = 4,007.58

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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.