Home / 9,210.11-12,694.77-6,517.85

Finding the Fourth Proportional to 9,210.11, 12,694.77 and 6,517.85

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Solution

The fourth proportional to 9,210.11, 12,694.77 and 6,517.85 is: 8,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.11 : 12,694.77 = 6,517.85 : x
  2. Step 2: Convert to fraction form
    9,210.11/12,694.77 = 6,517.85/x
  3. Step 3: Cross multiply
    9,210.11x = 12,694.77 × 6,517.85
  4. Step 4: Simplify right side
    9,210.11x = 82,742,543.17
  5. Step 5: Solve for x
    x = 82,742,543.17/9,210.11
  6. Step 6: Final answer
    x = 8,983.89

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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.