Home / 4,721.62-6,516.16-3,125.52

Finding the Fourth Proportional to 4,721.62, 6,516.16 and 3,125.52

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Solution

The fourth proportional to 4,721.62, 6,516.16 and 3,125.52 is: 4,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.62 : 6,516.16 = 3,125.52 : x
  2. Step 2: Convert to fraction form
    4,721.62/6,516.16 = 3,125.52/x
  3. Step 3: Cross multiply
    4,721.62x = 6,516.16 × 3,125.52
  4. Step 4: Simplify right side
    4,721.62x = 20,366,388.40
  5. Step 5: Solve for x
    x = 20,366,388.40/4,721.62
  6. Step 6: Final answer
    x = 4,313.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.