Home / 6,699.30-9,234.38-5,280.69

Finding the Fourth Proportional to 6,699.30, 9,234.38 and 5,280.69

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Solution

The fourth proportional to 6,699.30, 9,234.38 and 5,280.69 is: 7,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.30 : 9,234.38 = 5,280.69 : x
  2. Step 2: Convert to fraction form
    6,699.30/9,234.38 = 5,280.69/x
  3. Step 3: Cross multiply
    6,699.30x = 9,234.38 × 5,280.69
  4. Step 4: Simplify right side
    6,699.30x = 48,763,838.75
  5. Step 5: Solve for x
    x = 48,763,838.75/6,699.30
  6. Step 6: Final answer
    x = 7,278.95

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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.