Home / 8,619.24-11,892.45-5,260.82

Finding the Fourth Proportional to 8,619.24, 11,892.45 and 5,260.82

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Solution

The fourth proportional to 8,619.24, 11,892.45 and 5,260.82 is: 7,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.24 : 11,892.45 = 5,260.82 : x
  2. Step 2: Convert to fraction form
    8,619.24/11,892.45 = 5,260.82/x
  3. Step 3: Cross multiply
    8,619.24x = 11,892.45 × 5,260.82
  4. Step 4: Simplify right side
    8,619.24x = 62,564,055.03
  5. Step 5: Solve for x
    x = 62,564,055.03/8,619.24
  6. Step 6: Final answer
    x = 7,258.65

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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.