Home / 5,424.13-7,485.36-2,940.13

Finding the Fourth Proportional to 5,424.13, 7,485.36 and 2,940.13

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Solution

The fourth proportional to 5,424.13, 7,485.36 and 2,940.13 is: 4,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.13 : 7,485.36 = 2,940.13 : x
  2. Step 2: Convert to fraction form
    5,424.13/7,485.36 = 2,940.13/x
  3. Step 3: Cross multiply
    5,424.13x = 7,485.36 × 2,940.13
  4. Step 4: Simplify right side
    5,424.13x = 22,007,894.07
  5. Step 5: Solve for x
    x = 22,007,894.07/5,424.13
  6. Step 6: Final answer
    x = 4,057.41

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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.