Home / 5,411.36-7,460.24-3,420.92

Finding the Fourth Proportional to 5,411.36, 7,460.24 and 3,420.92

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Solution

The fourth proportional to 5,411.36, 7,460.24 and 3,420.92 is: 4,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.36 : 7,460.24 = 3,420.92 : x
  2. Step 2: Convert to fraction form
    5,411.36/7,460.24 = 3,420.92/x
  3. Step 3: Cross multiply
    5,411.36x = 7,460.24 × 3,420.92
  4. Step 4: Simplify right side
    5,411.36x = 25,520,884.22
  5. Step 5: Solve for x
    x = 25,520,884.22/5,411.36
  6. Step 6: Final answer
    x = 4,716.17

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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.