Home / 5,376.78-8,065.16-3,527.45

Finding the Fourth Proportional to 5,376.78, 8,065.16 and 3,527.45

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Solution

The fourth proportional to 5,376.78, 8,065.16 and 3,527.45 is: 5,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.78 : 8,065.16 = 3,527.45 : x
  2. Step 2: Convert to fraction form
    5,376.78/8,065.16 = 3,527.45/x
  3. Step 3: Cross multiply
    5,376.78x = 8,065.16 × 3,527.45
  4. Step 4: Simplify right side
    5,376.78x = 28,449,464.40
  5. Step 5: Solve for x
    x = 28,449,464.40/5,376.78
  6. Step 6: Final answer
    x = 5,291.17

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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.