Home / 8,011.51-12,015.81-3,627.92

Finding the Fourth Proportional to 8,011.51, 12,015.81 and 3,627.92

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Solution

The fourth proportional to 8,011.51, 12,015.81 and 3,627.92 is: 5,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.51 : 12,015.81 = 3,627.92 : x
  2. Step 2: Convert to fraction form
    8,011.51/12,015.81 = 3,627.92/x
  3. Step 3: Cross multiply
    8,011.51x = 12,015.81 × 3,627.92
  4. Step 4: Simplify right side
    8,011.51x = 43,592,427.45
  5. Step 5: Solve for x
    x = 43,592,427.45/8,011.51
  6. Step 6: Final answer
    x = 5,441.23

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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.