Home / 8,565.56-11,820.48-5,028.80

Finding the Fourth Proportional to 8,565.56, 11,820.48 and 5,028.80

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Solution

The fourth proportional to 8,565.56, 11,820.48 and 5,028.80 is: 6,939.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.56 : 11,820.48 = 5,028.80 : x
  2. Step 2: Convert to fraction form
    8,565.56/11,820.48 = 5,028.80/x
  3. Step 3: Cross multiply
    8,565.56x = 11,820.48 × 5,028.80
  4. Step 4: Simplify right side
    8,565.56x = 59,442,829.82
  5. Step 5: Solve for x
    x = 59,442,829.82/8,565.56
  6. Step 6: Final answer
    x = 6,939.75

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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.