Home / 7,104.68-10,657.56-3,644.36

Finding the Fourth Proportional to 7,104.68, 10,657.56 and 3,644.36

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Solution

The fourth proportional to 7,104.68, 10,657.56 and 3,644.36 is: 5,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.68 : 10,657.56 = 3,644.36 : x
  2. Step 2: Convert to fraction form
    7,104.68/10,657.56 = 3,644.36/x
  3. Step 3: Cross multiply
    7,104.68x = 10,657.56 × 3,644.36
  4. Step 4: Simplify right side
    7,104.68x = 38,839,985.36
  5. Step 5: Solve for x
    x = 38,839,985.36/7,104.68
  6. Step 6: Final answer
    x = 5,466.82

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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.