Home / 8,145.88-12,220.70-3,463.52

Finding the Fourth Proportional to 8,145.88, 12,220.70 and 3,463.52

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Solution

The fourth proportional to 8,145.88, 12,220.70 and 3,463.52 is: 5,196.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.88 : 12,220.70 = 3,463.52 : x
  2. Step 2: Convert to fraction form
    8,145.88/12,220.70 = 3,463.52/x
  3. Step 3: Cross multiply
    8,145.88x = 12,220.70 × 3,463.52
  4. Step 4: Simplify right side
    8,145.88x = 42,326,638.86
  5. Step 5: Solve for x
    x = 42,326,638.86/8,145.88
  6. Step 6: Final answer
    x = 5,196.08

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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.