Home / 7,482.50-11,228.03-3,785.03

Finding the Fourth Proportional to 7,482.50, 11,228.03 and 3,785.03

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Solution

The fourth proportional to 7,482.50, 11,228.03 and 3,785.03 is: 5,679.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.50 : 11,228.03 = 3,785.03 : x
  2. Step 2: Convert to fraction form
    7,482.50/11,228.03 = 3,785.03/x
  3. Step 3: Cross multiply
    7,482.50x = 11,228.03 × 3,785.03
  4. Step 4: Simplify right side
    7,482.50x = 42,498,430.39
  5. Step 5: Solve for x
    x = 42,498,430.39/7,482.50
  6. Step 6: Final answer
    x = 5,679.71

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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.