Home / 4,869.39-6,720.28-2,982.24

Finding the Fourth Proportional to 4,869.39, 6,720.28 and 2,982.24

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Solution

The fourth proportional to 4,869.39, 6,720.28 and 2,982.24 is: 4,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.39 : 6,720.28 = 2,982.24 : x
  2. Step 2: Convert to fraction form
    4,869.39/6,720.28 = 2,982.24/x
  3. Step 3: Cross multiply
    4,869.39x = 6,720.28 × 2,982.24
  4. Step 4: Simplify right side
    4,869.39x = 20,041,487.83
  5. Step 5: Solve for x
    x = 20,041,487.83/4,869.39
  6. Step 6: Final answer
    x = 4,115.81

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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.