Home / 5,669.10-7,822.89-3,151.08

Finding the Fourth Proportional to 5,669.10, 7,822.89 and 3,151.08

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Solution

The fourth proportional to 5,669.10, 7,822.89 and 3,151.08 is: 4,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.10 : 7,822.89 = 3,151.08 : x
  2. Step 2: Convert to fraction form
    5,669.10/7,822.89 = 3,151.08/x
  3. Step 3: Cross multiply
    5,669.10x = 7,822.89 × 3,151.08
  4. Step 4: Simplify right side
    5,669.10x = 24,650,552.22
  5. Step 5: Solve for x
    x = 24,650,552.22/5,669.10
  6. Step 6: Final answer
    x = 4,348.23

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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.