Home / 5,378.55-8,066.88-1,482.09

Finding the Fourth Proportional to 5,378.55, 8,066.88 and 1,482.09

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Solution

The fourth proportional to 5,378.55, 8,066.88 and 1,482.09 is: 2,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.55 : 8,066.88 = 1,482.09 : x
  2. Step 2: Convert to fraction form
    5,378.55/8,066.88 = 1,482.09/x
  3. Step 3: Cross multiply
    5,378.55x = 8,066.88 × 1,482.09
  4. Step 4: Simplify right side
    5,378.55x = 11,955,842.18
  5. Step 5: Solve for x
    x = 11,955,842.18/5,378.55
  6. Step 6: Final answer
    x = 2,222.87

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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.