Home / 4,165.49-5,746.21-2,821.13

Finding the Fourth Proportional to 4,165.49, 5,746.21 and 2,821.13

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Solution

The fourth proportional to 4,165.49, 5,746.21 and 2,821.13 is: 3,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.49 : 5,746.21 = 2,821.13 : x
  2. Step 2: Convert to fraction form
    4,165.49/5,746.21 = 2,821.13/x
  3. Step 3: Cross multiply
    4,165.49x = 5,746.21 × 2,821.13
  4. Step 4: Simplify right side
    4,165.49x = 16,210,812.73
  5. Step 5: Solve for x
    x = 16,210,812.73/4,165.49
  6. Step 6: Final answer
    x = 3,891.70

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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.