Home / 6,988.21-9,647.72-4,633.54

Finding the Fourth Proportional to 6,988.21, 9,647.72 and 4,633.54

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Solution

The fourth proportional to 6,988.21, 9,647.72 and 4,633.54 is: 6,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.21 : 9,647.72 = 4,633.54 : x
  2. Step 2: Convert to fraction form
    6,988.21/9,647.72 = 4,633.54/x
  3. Step 3: Cross multiply
    6,988.21x = 9,647.72 × 4,633.54
  4. Step 4: Simplify right side
    6,988.21x = 44,703,096.53
  5. Step 5: Solve for x
    x = 44,703,096.53/6,988.21
  6. Step 6: Final answer
    x = 6,396.93

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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.