Home / 4,420.32-6,628.64-2,572.71

Finding the Fourth Proportional to 4,420.32, 6,628.64 and 2,572.71

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Solution

The fourth proportional to 4,420.32, 6,628.64 and 2,572.71 is: 3,857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.32 : 6,628.64 = 2,572.71 : x
  2. Step 2: Convert to fraction form
    4,420.32/6,628.64 = 2,572.71/x
  3. Step 3: Cross multiply
    4,420.32x = 6,628.64 × 2,572.71
  4. Step 4: Simplify right side
    4,420.32x = 17,053,567.98
  5. Step 5: Solve for x
    x = 17,053,567.98/4,420.32
  6. Step 6: Final answer
    x = 3,857.99

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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.