Home / 6,631.03-9,942.63-2,931.40

Finding the Fourth Proportional to 6,631.03, 9,942.63 and 2,931.40

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Solution

The fourth proportional to 6,631.03, 9,942.63 and 2,931.40 is: 4,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.03 : 9,942.63 = 2,931.40 : x
  2. Step 2: Convert to fraction form
    6,631.03/9,942.63 = 2,931.40/x
  3. Step 3: Cross multiply
    6,631.03x = 9,942.63 × 2,931.40
  4. Step 4: Simplify right side
    6,631.03x = 29,145,825.58
  5. Step 5: Solve for x
    x = 29,145,825.58/6,631.03
  6. Step 6: Final answer
    x = 4,395.37

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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.