Home / 7,475.40-11,200.80-4,544.88

Finding the Fourth Proportional to 7,475.40, 11,200.80 and 4,544.88

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Solution

The fourth proportional to 7,475.40, 11,200.80 and 4,544.88 is: 6,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.40 : 11,200.80 = 4,544.88 : x
  2. Step 2: Convert to fraction form
    7,475.40/11,200.80 = 4,544.88/x
  3. Step 3: Cross multiply
    7,475.40x = 11,200.80 × 4,544.88
  4. Step 4: Simplify right side
    7,475.40x = 50,906,291.90
  5. Step 5: Solve for x
    x = 50,906,291.90/7,475.40
  6. Step 6: Final answer
    x = 6,809.84

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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.