Home / 4,638.12-6,400.99-2,845.59

Finding the Fourth Proportional to 4,638.12, 6,400.99 and 2,845.59

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Solution

The fourth proportional to 4,638.12, 6,400.99 and 2,845.59 is: 3,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.12 : 6,400.99 = 2,845.59 : x
  2. Step 2: Convert to fraction form
    4,638.12/6,400.99 = 2,845.59/x
  3. Step 3: Cross multiply
    4,638.12x = 6,400.99 × 2,845.59
  4. Step 4: Simplify right side
    4,638.12x = 18,214,593.13
  5. Step 5: Solve for x
    x = 18,214,593.13/4,638.12
  6. Step 6: Final answer
    x = 3,927.15

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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.