Home / 5,134.56-7,089.24-3,368.64

Finding the Fourth Proportional to 5,134.56, 7,089.24 and 3,368.64

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Solution

The fourth proportional to 5,134.56, 7,089.24 and 3,368.64 is: 4,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.56 : 7,089.24 = 3,368.64 : x
  2. Step 2: Convert to fraction form
    5,134.56/7,089.24 = 3,368.64/x
  3. Step 3: Cross multiply
    5,134.56x = 7,089.24 × 3,368.64
  4. Step 4: Simplify right side
    5,134.56x = 23,881,097.43
  5. Step 5: Solve for x
    x = 23,881,097.43/5,134.56
  6. Step 6: Final answer
    x = 4,651.05

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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.