Home / 8,255.54-11,395.25-5,570.66

Finding the Fourth Proportional to 8,255.54, 11,395.25 and 5,570.66

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Solution

The fourth proportional to 8,255.54, 11,395.25 and 5,570.66 is: 7,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.54 : 11,395.25 = 5,570.66 : x
  2. Step 2: Convert to fraction form
    8,255.54/11,395.25 = 5,570.66/x
  3. Step 3: Cross multiply
    8,255.54x = 11,395.25 × 5,570.66
  4. Step 4: Simplify right side
    8,255.54x = 63,478,978.54
  5. Step 5: Solve for x
    x = 63,478,978.54/8,255.54
  6. Step 6: Final answer
    x = 7,689.26

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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.