Home / 6,293.39-9,439.02-1,909.79

Finding the Fourth Proportional to 6,293.39, 9,439.02 and 1,909.79

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Solution

The fourth proportional to 6,293.39, 9,439.02 and 1,909.79 is: 2,864.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.39 : 9,439.02 = 1,909.79 : x
  2. Step 2: Convert to fraction form
    6,293.39/9,439.02 = 1,909.79/x
  3. Step 3: Cross multiply
    6,293.39x = 9,439.02 × 1,909.79
  4. Step 4: Simplify right side
    6,293.39x = 18,026,546.01
  5. Step 5: Solve for x
    x = 18,026,546.01/6,293.39
  6. Step 6: Final answer
    x = 2,864.36

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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.