Home / 8,100.08-11,170.70-5,551.54

Finding the Fourth Proportional to 8,100.08, 11,170.70 and 5,551.54

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Solution

The fourth proportional to 8,100.08, 11,170.70 and 5,551.54 is: 7,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.08 : 11,170.70 = 5,551.54 : x
  2. Step 2: Convert to fraction form
    8,100.08/11,170.70 = 5,551.54/x
  3. Step 3: Cross multiply
    8,100.08x = 11,170.70 × 5,551.54
  4. Step 4: Simplify right side
    8,100.08x = 62,014,563.61
  5. Step 5: Solve for x
    x = 62,014,563.61/8,100.08
  6. Step 6: Final answer
    x = 7,656.04

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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.