Home / 6,439.13-9,659.25-1,822.13

Finding the Fourth Proportional to 6,439.13, 9,659.25 and 1,822.13

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Solution

The fourth proportional to 6,439.13, 9,659.25 and 1,822.13 is: 2,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.13 : 9,659.25 = 1,822.13 : x
  2. Step 2: Convert to fraction form
    6,439.13/9,659.25 = 1,822.13/x
  3. Step 3: Cross multiply
    6,439.13x = 9,659.25 × 1,822.13
  4. Step 4: Simplify right side
    6,439.13x = 17,600,360.91
  5. Step 5: Solve for x
    x = 17,600,360.91/6,439.13
  6. Step 6: Final answer
    x = 2,733.35

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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.