Home / 6,821.16-10,233.09-3,123.51

Finding the Fourth Proportional to 6,821.16, 10,233.09 and 3,123.51

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Solution

The fourth proportional to 6,821.16, 10,233.09 and 3,123.51 is: 4,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.16 : 10,233.09 = 3,123.51 : x
  2. Step 2: Convert to fraction form
    6,821.16/10,233.09 = 3,123.51/x
  3. Step 3: Cross multiply
    6,821.16x = 10,233.09 × 3,123.51
  4. Step 4: Simplify right side
    6,821.16x = 31,963,158.95
  5. Step 5: Solve for x
    x = 31,963,158.95/6,821.16
  6. Step 6: Final answer
    x = 4,685.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.