Home / 7,740.06-11,591.64-4,224.80

Finding the Fourth Proportional to 7,740.06, 11,591.64 and 4,224.80

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Solution

The fourth proportional to 7,740.06, 11,591.64 and 4,224.80 is: 6,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.06 : 11,591.64 = 4,224.80 : x
  2. Step 2: Convert to fraction form
    7,740.06/11,591.64 = 4,224.80/x
  3. Step 3: Cross multiply
    7,740.06x = 11,591.64 × 4,224.80
  4. Step 4: Simplify right side
    7,740.06x = 48,972,360.67
  5. Step 5: Solve for x
    x = 48,972,360.67/7,740.06
  6. Step 6: Final answer
    x = 6,327.13

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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.