Home / 9,087.60-13,614.60-5,180.40

Finding the Fourth Proportional to 9,087.60, 13,614.60 and 5,180.40

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Solution

The fourth proportional to 9,087.60, 13,614.60 and 5,180.40 is: 7,761.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.60 : 13,614.60 = 5,180.40 : x
  2. Step 2: Convert to fraction form
    9,087.60/13,614.60 = 5,180.40/x
  3. Step 3: Cross multiply
    9,087.60x = 13,614.60 × 5,180.40
  4. Step 4: Simplify right side
    9,087.60x = 70,529,073.84
  5. Step 5: Solve for x
    x = 70,529,073.84/9,087.60
  6. Step 6: Final answer
    x = 7,761.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.