Home / 5,424.34-7,485.51-2,940.34

Finding the Fourth Proportional to 5,424.34, 7,485.51 and 2,940.34

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Solution

The fourth proportional to 5,424.34, 7,485.51 and 2,940.34 is: 4,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.34 : 7,485.51 = 2,940.34 : x
  2. Step 2: Convert to fraction form
    5,424.34/7,485.51 = 2,940.34/x
  3. Step 3: Cross multiply
    5,424.34x = 7,485.51 × 2,940.34
  4. Step 4: Simplify right side
    5,424.34x = 22,009,944.47
  5. Step 5: Solve for x
    x = 22,009,944.47/5,424.34
  6. Step 6: Final answer
    x = 4,057.63

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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.