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Finding the Fourth Proportional to 8,019.60, 11,066.99 and 4,482.78

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Solution

The fourth proportional to 8,019.60, 11,066.99 and 4,482.78 is: 6,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.60 : 11,066.99 = 4,482.78 : x
  2. Step 2: Convert to fraction form
    8,019.60/11,066.99 = 4,482.78/x
  3. Step 3: Cross multiply
    8,019.60x = 11,066.99 × 4,482.78
  4. Step 4: Simplify right side
    8,019.60x = 49,610,859.02
  5. Step 5: Solve for x
    x = 49,610,859.02/8,019.60
  6. Step 6: Final answer
    x = 6,186.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.