Home / 6,293.55-9,442.35-1,911.45

Finding the Fourth Proportional to 6,293.55, 9,442.35 and 1,911.45

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Solution

The fourth proportional to 6,293.55, 9,442.35 and 1,911.45 is: 2,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.55 : 9,442.35 = 1,911.45 : x
  2. Step 2: Convert to fraction form
    6,293.55/9,442.35 = 1,911.45/x
  3. Step 3: Cross multiply
    6,293.55x = 9,442.35 × 1,911.45
  4. Step 4: Simplify right side
    6,293.55x = 18,048,579.91
  5. Step 5: Solve for x
    x = 18,048,579.91/6,293.55
  6. Step 6: Final answer
    x = 2,867.79

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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.