Home / 6,293.79-9,439.76-1,911.62

Finding the Fourth Proportional to 6,293.79, 9,439.76 and 1,911.62

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Solution

The fourth proportional to 6,293.79, 9,439.76 and 1,911.62 is: 2,867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.79 : 9,439.76 = 1,911.62 : x
  2. Step 2: Convert to fraction form
    6,293.79/9,439.76 = 1,911.62/x
  3. Step 3: Cross multiply
    6,293.79x = 9,439.76 × 1,911.62
  4. Step 4: Simplify right side
    6,293.79x = 18,045,177.25
  5. Step 5: Solve for x
    x = 18,045,177.25/6,293.79
  6. Step 6: Final answer
    x = 2,867.14

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1.5x scale

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.