Home / 5,439.48-7,504.67-3,760.28

Finding the Fourth Proportional to 5,439.48, 7,504.67 and 3,760.28

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Solution

The fourth proportional to 5,439.48, 7,504.67 and 3,760.28 is: 5,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.48 : 7,504.67 = 3,760.28 : x
  2. Step 2: Convert to fraction form
    5,439.48/7,504.67 = 3,760.28/x
  3. Step 3: Cross multiply
    5,439.48x = 7,504.67 × 3,760.28
  4. Step 4: Simplify right side
    5,439.48x = 28,219,660.51
  5. Step 5: Solve for x
    x = 28,219,660.51/5,439.48
  6. Step 6: Final answer
    x = 5,187.93

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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.