Home / 6,518.66-9,778.50-2,623.10

Finding the Fourth Proportional to 6,518.66, 9,778.50 and 2,623.10

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Solution

The fourth proportional to 6,518.66, 9,778.50 and 2,623.10 is: 3,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.66 : 9,778.50 = 2,623.10 : x
  2. Step 2: Convert to fraction form
    6,518.66/9,778.50 = 2,623.10/x
  3. Step 3: Cross multiply
    6,518.66x = 9,778.50 × 2,623.10
  4. Step 4: Simplify right side
    6,518.66x = 25,649,934.46
  5. Step 5: Solve for x
    x = 25,649,934.46/6,518.66
  6. Step 6: Final answer
    x = 3,934.85

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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.