Home / 5,327.81-7,353.81-3,840.02

Finding the Fourth Proportional to 5,327.81, 7,353.81 and 3,840.02

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Solution

The fourth proportional to 5,327.81, 7,353.81 and 3,840.02 is: 5,300.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.81 : 7,353.81 = 3,840.02 : x
  2. Step 2: Convert to fraction form
    5,327.81/7,353.81 = 3,840.02/x
  3. Step 3: Cross multiply
    5,327.81x = 7,353.81 × 3,840.02
  4. Step 4: Simplify right side
    5,327.81x = 28,238,777.48
  5. Step 5: Solve for x
    x = 28,238,777.48/5,327.81
  6. Step 6: Final answer
    x = 5,300.26

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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.