Home / 8,535.24-12,799.62-3,915

Finding the Fourth Proportional to 8,535.24, 12,799.62 and 3,915

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Solution

The fourth proportional to 8,535.24, 12,799.62 and 3,915 is: 5,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.24 : 12,799.62 = 3,915 : x
  2. Step 2: Convert to fraction form
    8,535.24/12,799.62 = 3,915/x
  3. Step 3: Cross multiply
    8,535.24x = 12,799.62 × 3,915
  4. Step 4: Simplify right side
    8,535.24x = 50,110,512.30
  5. Step 5: Solve for x
    x = 50,110,512.30/8,535.24
  6. Step 6: Final answer
    x = 5,871.01

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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.