Home / 6,400.50-8,832.30-4,127.82

Finding the Fourth Proportional to 6,400.50, 8,832.30 and 4,127.82

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Solution

The fourth proportional to 6,400.50, 8,832.30 and 4,127.82 is: 5,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.50 : 8,832.30 = 4,127.82 : x
  2. Step 2: Convert to fraction form
    6,400.50/8,832.30 = 4,127.82/x
  3. Step 3: Cross multiply
    6,400.50x = 8,832.30 × 4,127.82
  4. Step 4: Simplify right side
    6,400.50x = 36,458,144.59
  5. Step 5: Solve for x
    x = 36,458,144.59/6,400.50
  6. Step 6: Final answer
    x = 5,696.14

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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.