Home / 6,351.30-8,764.86-3,518.76

Finding the Fourth Proportional to 6,351.30, 8,764.86 and 3,518.76

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Solution

The fourth proportional to 6,351.30, 8,764.86 and 3,518.76 is: 4,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.30 : 8,764.86 = 3,518.76 : x
  2. Step 2: Convert to fraction form
    6,351.30/8,764.86 = 3,518.76/x
  3. Step 3: Cross multiply
    6,351.30x = 8,764.86 × 3,518.76
  4. Step 4: Simplify right side
    6,351.30x = 30,841,438.77
  5. Step 5: Solve for x
    x = 30,841,438.77/6,351.30
  6. Step 6: Final answer
    x = 4,855.93

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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.