Home / 9,320.40-12,856.69-5,961.97

Finding the Fourth Proportional to 9,320.40, 12,856.69 and 5,961.97

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Solution

The fourth proportional to 9,320.40, 12,856.69 and 5,961.97 is: 8,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.40 : 12,856.69 = 5,961.97 : x
  2. Step 2: Convert to fraction form
    9,320.40/12,856.69 = 5,961.97/x
  3. Step 3: Cross multiply
    9,320.40x = 12,856.69 × 5,961.97
  4. Step 4: Simplify right side
    9,320.40x = 76,651,223.60
  5. Step 5: Solve for x
    x = 76,651,223.60/9,320.40
  6. Step 6: Final answer
    x = 8,224.03

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1.5x scale

Why These Related Problems?

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