Home / 7,072.24-10,605.84-2,688.52

Finding the Fourth Proportional to 7,072.24, 10,605.84 and 2,688.52

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Solution

The fourth proportional to 7,072.24, 10,605.84 and 2,688.52 is: 4,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.24 : 10,605.84 = 2,688.52 : x
  2. Step 2: Convert to fraction form
    7,072.24/10,605.84 = 2,688.52/x
  3. Step 3: Cross multiply
    7,072.24x = 10,605.84 × 2,688.52
  4. Step 4: Simplify right side
    7,072.24x = 28,514,012.96
  5. Step 5: Solve for x
    x = 28,514,012.96/7,072.24
  6. Step 6: Final answer
    x = 4,031.82

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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.