Home / 4,983.12-6,872.04-3,937.68

Finding the Fourth Proportional to 4,983.12, 6,872.04 and 3,937.68

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Solution

The fourth proportional to 4,983.12, 6,872.04 and 3,937.68 is: 5,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.12 : 6,872.04 = 3,937.68 : x
  2. Step 2: Convert to fraction form
    4,983.12/6,872.04 = 3,937.68/x
  3. Step 3: Cross multiply
    4,983.12x = 6,872.04 × 3,937.68
  4. Step 4: Simplify right side
    4,983.12x = 27,059,894.47
  5. Step 5: Solve for x
    x = 27,059,894.47/4,983.12
  6. Step 6: Final answer
    x = 5,430.31

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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.