Home / 8,101.74-11,180.40-4,564.96

Finding the Fourth Proportional to 8,101.74, 11,180.40 and 4,564.96

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Solution

The fourth proportional to 8,101.74, 11,180.40 and 4,564.96 is: 6,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.74 : 11,180.40 = 4,564.96 : x
  2. Step 2: Convert to fraction form
    8,101.74/11,180.40 = 4,564.96/x
  3. Step 3: Cross multiply
    8,101.74x = 11,180.40 × 4,564.96
  4. Step 4: Simplify right side
    8,101.74x = 51,038,078.78
  5. Step 5: Solve for x
    x = 51,038,078.78/8,101.74
  6. Step 6: Final answer
    x = 6,299.64

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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.