Home / 7,281.30-10,911.15-6,179.70

Finding the Fourth Proportional to 7,281.30, 10,911.15 and 6,179.70

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Solution

The fourth proportional to 7,281.30, 10,911.15 and 6,179.70 is: 9,260.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.30 : 10,911.15 = 6,179.70 : x
  2. Step 2: Convert to fraction form
    7,281.30/10,911.15 = 6,179.70/x
  3. Step 3: Cross multiply
    7,281.30x = 10,911.15 × 6,179.70
  4. Step 4: Simplify right side
    7,281.30x = 67,427,633.66
  5. Step 5: Solve for x
    x = 67,427,633.66/7,281.30
  6. Step 6: Final answer
    x = 9,260.38

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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.