Home / 6,919.53-10,386.36-5,065.14

Finding the Fourth Proportional to 6,919.53, 10,386.36 and 5,065.14

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Solution

The fourth proportional to 6,919.53, 10,386.36 and 5,065.14 is: 7,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.53 : 10,386.36 = 5,065.14 : x
  2. Step 2: Convert to fraction form
    6,919.53/10,386.36 = 5,065.14/x
  3. Step 3: Cross multiply
    6,919.53x = 10,386.36 × 5,065.14
  4. Step 4: Simplify right side
    6,919.53x = 52,608,367.49
  5. Step 5: Solve for x
    x = 52,608,367.49/6,919.53
  6. Step 6: Final answer
    x = 7,602.88

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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.