Home / 7,475.48-11,202.96-3,780.18

Finding the Fourth Proportional to 7,475.48, 11,202.96 and 3,780.18

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Solution

The fourth proportional to 7,475.48, 11,202.96 and 3,780.18 is: 5,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.48 : 11,202.96 = 3,780.18 : x
  2. Step 2: Convert to fraction form
    7,475.48/11,202.96 = 3,780.18/x
  3. Step 3: Cross multiply
    7,475.48x = 11,202.96 × 3,780.18
  4. Step 4: Simplify right side
    7,475.48x = 42,349,205.33
  5. Step 5: Solve for x
    x = 42,349,205.33/7,475.48
  6. Step 6: Final answer
    x = 5,665.08

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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.