Home / 5,362.79-7,400.70-3,004.88

Finding the Fourth Proportional to 5,362.79, 7,400.70 and 3,004.88

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Solution

The fourth proportional to 5,362.79, 7,400.70 and 3,004.88 is: 4,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.79 : 7,400.70 = 3,004.88 : x
  2. Step 2: Convert to fraction form
    5,362.79/7,400.70 = 3,004.88/x
  3. Step 3: Cross multiply
    5,362.79x = 7,400.70 × 3,004.88
  4. Step 4: Simplify right side
    5,362.79x = 22,238,178.41
  5. Step 5: Solve for x
    x = 22,238,178.41/5,362.79
  6. Step 6: Final answer
    x = 4,146.76

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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.