Home / 5,262.11-7,261.64-2,904.20

Finding the Fourth Proportional to 5,262.11, 7,261.64 and 2,904.20

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Solution

The fourth proportional to 5,262.11, 7,261.64 and 2,904.20 is: 4,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.11 : 7,261.64 = 2,904.20 : x
  2. Step 2: Convert to fraction form
    5,262.11/7,261.64 = 2,904.20/x
  3. Step 3: Cross multiply
    5,262.11x = 7,261.64 × 2,904.20
  4. Step 4: Simplify right side
    5,262.11x = 21,089,225.84
  5. Step 5: Solve for x
    x = 21,089,225.84/5,262.11
  6. Step 6: Final answer
    x = 4,007.75

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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.