Home / 6,351.61-8,765.23-3,557.11

Finding the Fourth Proportional to 6,351.61, 8,765.23 and 3,557.11

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Solution

The fourth proportional to 6,351.61, 8,765.23 and 3,557.11 is: 4,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.61 : 8,765.23 = 3,557.11 : x
  2. Step 2: Convert to fraction form
    6,351.61/8,765.23 = 3,557.11/x
  3. Step 3: Cross multiply
    6,351.61x = 8,765.23 × 3,557.11
  4. Step 4: Simplify right side
    6,351.61x = 31,178,879.58
  5. Step 5: Solve for x
    x = 31,178,879.58/6,351.61
  6. Step 6: Final answer
    x = 4,908.82

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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.