Home / 6,390.77-9,588.12-3,272.96

Finding the Fourth Proportional to 6,390.77, 9,588.12 and 3,272.96

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Solution

The fourth proportional to 6,390.77, 9,588.12 and 3,272.96 is: 4,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.77 : 9,588.12 = 3,272.96 : x
  2. Step 2: Convert to fraction form
    6,390.77/9,588.12 = 3,272.96/x
  3. Step 3: Cross multiply
    6,390.77x = 9,588.12 × 3,272.96
  4. Step 4: Simplify right side
    6,390.77x = 31,381,557.21
  5. Step 5: Solve for x
    x = 31,381,557.21/6,390.77
  6. Step 6: Final answer
    x = 4,910.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.