Home / 5,424.56-7,485.84-2,940.56

Finding the Fourth Proportional to 5,424.56, 7,485.84 and 2,940.56

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Solution

The fourth proportional to 5,424.56, 7,485.84 and 2,940.56 is: 4,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.56 : 7,485.84 = 2,940.56 : x
  2. Step 2: Convert to fraction form
    5,424.56/7,485.84 = 2,940.56/x
  3. Step 3: Cross multiply
    5,424.56x = 7,485.84 × 2,940.56
  4. Step 4: Simplify right side
    5,424.56x = 22,012,561.67
  5. Step 5: Solve for x
    x = 22,012,561.67/5,424.56
  6. Step 6: Final answer
    x = 4,057.94

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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.