Home / 4,385.14-6,048.32-2,790.22

Finding the Fourth Proportional to 4,385.14, 6,048.32 and 2,790.22

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Solution

The fourth proportional to 4,385.14, 6,048.32 and 2,790.22 is: 3,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.14 : 6,048.32 = 2,790.22 : x
  2. Step 2: Convert to fraction form
    4,385.14/6,048.32 = 2,790.22/x
  3. Step 3: Cross multiply
    4,385.14x = 6,048.32 × 2,790.22
  4. Step 4: Simplify right side
    4,385.14x = 16,876,143.43
  5. Step 5: Solve for x
    x = 16,876,143.43/4,385.14
  6. Step 6: Final answer
    x = 3,848.48

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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.