Home / 7,724.40-11,586.60-2,530.80

Finding the Fourth Proportional to 7,724.40, 11,586.60 and 2,530.80

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Solution

The fourth proportional to 7,724.40, 11,586.60 and 2,530.80 is: 3,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.40 : 11,586.60 = 2,530.80 : x
  2. Step 2: Convert to fraction form
    7,724.40/11,586.60 = 2,530.80/x
  3. Step 3: Cross multiply
    7,724.40x = 11,586.60 × 2,530.80
  4. Step 4: Simplify right side
    7,724.40x = 29,323,367.28
  5. Step 5: Solve for x
    x = 29,323,367.28/7,724.40
  6. Step 6: Final answer
    x = 3,796.20

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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.