Home / 4,869.32-6,721.79-3,103.25

Finding the Fourth Proportional to 4,869.32, 6,721.79 and 3,103.25

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Solution

The fourth proportional to 4,869.32, 6,721.79 and 3,103.25 is: 4,283.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.32 : 6,721.79 = 3,103.25 : x
  2. Step 2: Convert to fraction form
    4,869.32/6,721.79 = 3,103.25/x
  3. Step 3: Cross multiply
    4,869.32x = 6,721.79 × 3,103.25
  4. Step 4: Simplify right side
    4,869.32x = 20,859,345.69
  5. Step 5: Solve for x
    x = 20,859,345.69/4,869.32
  6. Step 6: Final answer
    x = 4,283.84

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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.