Home / 7,557.49-11,342.40-3,661.89

Finding the Fourth Proportional to 7,557.49, 11,342.40 and 3,661.89

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Solution

The fourth proportional to 7,557.49, 11,342.40 and 3,661.89 is: 5,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.49 : 11,342.40 = 3,661.89 : x
  2. Step 2: Convert to fraction form
    7,557.49/11,342.40 = 3,661.89/x
  3. Step 3: Cross multiply
    7,557.49x = 11,342.40 × 3,661.89
  4. Step 4: Simplify right side
    7,557.49x = 41,534,621.14
  5. Step 5: Solve for x
    x = 41,534,621.14/7,557.49
  6. Step 6: Final answer
    x = 5,495.82

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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.