Home / 6,396.14-9,589.35-5,307.50

Finding the Fourth Proportional to 6,396.14, 9,589.35 and 5,307.50

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Solution

The fourth proportional to 6,396.14, 9,589.35 and 5,307.50 is: 7,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.14 : 9,589.35 = 5,307.50 : x
  2. Step 2: Convert to fraction form
    6,396.14/9,589.35 = 5,307.50/x
  3. Step 3: Cross multiply
    6,396.14x = 9,589.35 × 5,307.50
  4. Step 4: Simplify right side
    6,396.14x = 50,895,475.13
  5. Step 5: Solve for x
    x = 50,895,475.13/6,396.14
  6. Step 6: Final answer
    x = 7,957.22

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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.