Home / 8,580.14-11,837.10-5,220.26

Finding the Fourth Proportional to 8,580.14, 11,837.10 and 5,220.26

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Solution

The fourth proportional to 8,580.14, 11,837.10 and 5,220.26 is: 7,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.14 : 11,837.10 = 5,220.26 : x
  2. Step 2: Convert to fraction form
    8,580.14/11,837.10 = 5,220.26/x
  3. Step 3: Cross multiply
    8,580.14x = 11,837.10 × 5,220.26
  4. Step 4: Simplify right side
    8,580.14x = 61,792,739.65
  5. Step 5: Solve for x
    x = 61,792,739.65/8,580.14
  6. Step 6: Final answer
    x = 7,201.83

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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.