Home / 5,921.08-8,165.82-4,125.58

Finding the Fourth Proportional to 5,921.08, 8,165.82 and 4,125.58

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Solution

The fourth proportional to 5,921.08, 8,165.82 and 4,125.58 is: 5,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.08 : 8,165.82 = 4,125.58 : x
  2. Step 2: Convert to fraction form
    5,921.08/8,165.82 = 4,125.58/x
  3. Step 3: Cross multiply
    5,921.08x = 8,165.82 × 4,125.58
  4. Step 4: Simplify right side
    5,921.08x = 33,688,743.68
  5. Step 5: Solve for x
    x = 33,688,743.68/5,921.08
  6. Step 6: Final answer
    x = 5,689.63

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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.