Home / 7,053.21-10,577.39-2,121.53

Finding the Fourth Proportional to 7,053.21, 10,577.39 and 2,121.53

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Solution

The fourth proportional to 7,053.21, 10,577.39 and 2,121.53 is: 3,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.21 : 10,577.39 = 2,121.53 : x
  2. Step 2: Convert to fraction form
    7,053.21/10,577.39 = 2,121.53/x
  3. Step 3: Cross multiply
    7,053.21x = 10,577.39 × 2,121.53
  4. Step 4: Simplify right side
    7,053.21x = 22,440,186.71
  5. Step 5: Solve for x
    x = 22,440,186.71/7,053.21
  6. Step 6: Final answer
    x = 3,181.56

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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.