Home / 6,145.74-9,221.40-2,859.84

Finding the Fourth Proportional to 6,145.74, 9,221.40 and 2,859.84

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Solution

The fourth proportional to 6,145.74, 9,221.40 and 2,859.84 is: 4,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.74 : 9,221.40 = 2,859.84 : x
  2. Step 2: Convert to fraction form
    6,145.74/9,221.40 = 2,859.84/x
  3. Step 3: Cross multiply
    6,145.74x = 9,221.40 × 2,859.84
  4. Step 4: Simplify right side
    6,145.74x = 26,371,728.58
  5. Step 5: Solve for x
    x = 26,371,728.58/6,145.74
  6. Step 6: Final answer
    x = 4,291.06

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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.