Home / 8,087.28-12,130.93-2,243.90

Finding the Fourth Proportional to 8,087.28, 12,130.93 and 2,243.90

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Solution

The fourth proportional to 8,087.28, 12,130.93 and 2,243.90 is: 3,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.28 : 12,130.93 = 2,243.90 : x
  2. Step 2: Convert to fraction form
    8,087.28/12,130.93 = 2,243.90/x
  3. Step 3: Cross multiply
    8,087.28x = 12,130.93 × 2,243.90
  4. Step 4: Simplify right side
    8,087.28x = 27,220,533.17
  5. Step 5: Solve for x
    x = 27,220,533.17/8,087.28
  6. Step 6: Final answer
    x = 3,365.85

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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.