Home / 5,371.28-7,407.26-4,112.39

Finding the Fourth Proportional to 5,371.28, 7,407.26 and 4,112.39

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Solution

The fourth proportional to 5,371.28, 7,407.26 and 4,112.39 is: 5,671.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.28 : 7,407.26 = 4,112.39 : x
  2. Step 2: Convert to fraction form
    5,371.28/7,407.26 = 4,112.39/x
  3. Step 3: Cross multiply
    5,371.28x = 7,407.26 × 4,112.39
  4. Step 4: Simplify right side
    5,371.28x = 30,461,541.95
  5. Step 5: Solve for x
    x = 30,461,541.95/5,371.28
  6. Step 6: Final answer
    x = 5,671.19

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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.