Home / 8,055.78-11,113.14-5,699.22

Finding the Fourth Proportional to 8,055.78, 11,113.14 and 5,699.22

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Solution

The fourth proportional to 8,055.78, 11,113.14 and 5,699.22 is: 7,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.78 : 11,113.14 = 5,699.22 : x
  2. Step 2: Convert to fraction form
    8,055.78/11,113.14 = 5,699.22/x
  3. Step 3: Cross multiply
    8,055.78x = 11,113.14 × 5,699.22
  4. Step 4: Simplify right side
    8,055.78x = 63,336,229.75
  5. Step 5: Solve for x
    x = 63,336,229.75/8,055.78
  6. Step 6: Final answer
    x = 7,862.21

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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.