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Finding the Fourth Proportional to 6,396.77, 9,602.15 and 4,395.67

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Solution

The fourth proportional to 6,396.77, 9,602.15 and 4,395.67 is: 6,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.77 : 9,602.15 = 4,395.67 : x
  2. Step 2: Convert to fraction form
    6,396.77/9,602.15 = 4,395.67/x
  3. Step 3: Cross multiply
    6,396.77x = 9,602.15 × 4,395.67
  4. Step 4: Simplify right side
    6,396.77x = 42,207,836.71
  5. Step 5: Solve for x
    x = 42,207,836.71/6,396.77
  6. Step 6: Final answer
    x = 6,598.30

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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.