Home / 5,371.22-7,410.95-3,218.48

Finding the Fourth Proportional to 5,371.22, 7,410.95 and 3,218.48

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Solution

The fourth proportional to 5,371.22, 7,410.95 and 3,218.48 is: 4,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.22 : 7,410.95 = 3,218.48 : x
  2. Step 2: Convert to fraction form
    5,371.22/7,410.95 = 3,218.48/x
  3. Step 3: Cross multiply
    5,371.22x = 7,410.95 × 3,218.48
  4. Step 4: Simplify right side
    5,371.22x = 23,851,994.36
  5. Step 5: Solve for x
    x = 23,851,994.36/5,371.22
  6. Step 6: Final answer
    x = 4,440.70

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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.