Home / 5,071.44-7,607.89-1,561.75

Finding the Fourth Proportional to 5,071.44, 7,607.89 and 1,561.75

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Solution

The fourth proportional to 5,071.44, 7,607.89 and 1,561.75 is: 2,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.44 : 7,607.89 = 1,561.75 : x
  2. Step 2: Convert to fraction form
    5,071.44/7,607.89 = 1,561.75/x
  3. Step 3: Cross multiply
    5,071.44x = 7,607.89 × 1,561.75
  4. Step 4: Simplify right side
    5,071.44x = 11,881,605.14
  5. Step 5: Solve for x
    x = 11,881,605.14/5,071.44
  6. Step 6: Final answer
    x = 2,342.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.