Home / 6,031.79-8,318.32-4,140.03

Finding the Fourth Proportional to 6,031.79, 8,318.32 and 4,140.03

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Solution

The fourth proportional to 6,031.79, 8,318.32 and 4,140.03 is: 5,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,031.79 : 8,318.32 = 4,140.03 : x
  2. Step 2: Convert to fraction form
    6,031.79/8,318.32 = 4,140.03/x
  3. Step 3: Cross multiply
    6,031.79x = 8,318.32 × 4,140.03
  4. Step 4: Simplify right side
    6,031.79x = 34,438,094.35
  5. Step 5: Solve for x
    x = 34,438,094.35/6,031.79
  6. Step 6: Final answer
    x = 5,709.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.