Home / 8,260.00-11,395.55-4,721.31

Finding the Fourth Proportional to 8,260.00, 11,395.55 and 4,721.31

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Solution

The fourth proportional to 8,260.00, 11,395.55 and 4,721.31 is: 6,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.00 : 11,395.55 = 4,721.31 : x
  2. Step 2: Convert to fraction form
    8,260.00/11,395.55 = 4,721.31/x
  3. Step 3: Cross multiply
    8,260.00x = 11,395.55 × 4,721.31
  4. Step 4: Simplify right side
    8,260.00x = 53,801,935.97
  5. Step 5: Solve for x
    x = 53,801,935.97/8,260.00
  6. Step 6: Final answer
    x = 6,513.55

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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.