Home / 8,113.14-12,170.91-2,565.23

Finding the Fourth Proportional to 8,113.14, 12,170.91 and 2,565.23

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Solution

The fourth proportional to 8,113.14, 12,170.91 and 2,565.23 is: 3,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.14 : 12,170.91 = 2,565.23 : x
  2. Step 2: Convert to fraction form
    8,113.14/12,170.91 = 2,565.23/x
  3. Step 3: Cross multiply
    8,113.14x = 12,170.91 × 2,565.23
  4. Step 4: Simplify right side
    8,113.14x = 31,221,122.60
  5. Step 5: Solve for x
    x = 31,221,122.60/8,113.14
  6. Step 6: Final answer
    x = 3,848.22

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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.