Home / 4,689.29-7,031.87-2,224.81

Finding the Fourth Proportional to 4,689.29, 7,031.87 and 2,224.81

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Solution

The fourth proportional to 4,689.29, 7,031.87 and 2,224.81 is: 3,336.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.29 : 7,031.87 = 2,224.81 : x
  2. Step 2: Convert to fraction form
    4,689.29/7,031.87 = 2,224.81/x
  3. Step 3: Cross multiply
    4,689.29x = 7,031.87 × 2,224.81
  4. Step 4: Simplify right side
    4,689.29x = 15,644,539.54
  5. Step 5: Solve for x
    x = 15,644,539.54/4,689.29
  6. Step 6: Final answer
    x = 3,336.23

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1.5x scale

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.