Home / 7,650.02-11,479.08-6,616.74

Finding the Fourth Proportional to 7,650.02, 11,479.08 and 6,616.74

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Solution

The fourth proportional to 7,650.02, 11,479.08 and 6,616.74 is: 9,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.02 : 11,479.08 = 6,616.74 : x
  2. Step 2: Convert to fraction form
    7,650.02/11,479.08 = 6,616.74/x
  3. Step 3: Cross multiply
    7,650.02x = 11,479.08 × 6,616.74
  4. Step 4: Simplify right side
    7,650.02x = 75,954,087.80
  5. Step 5: Solve for x
    x = 75,954,087.80/7,650.02
  6. Step 6: Final answer
    x = 9,928.61

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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.