Home / 4,113.32-6,170.76-2,139.89

Finding the Fourth Proportional to 4,113.32, 6,170.76 and 2,139.89

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Solution

The fourth proportional to 4,113.32, 6,170.76 and 2,139.89 is: 3,210.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.32 : 6,170.76 = 2,139.89 : x
  2. Step 2: Convert to fraction form
    4,113.32/6,170.76 = 2,139.89/x
  3. Step 3: Cross multiply
    4,113.32x = 6,170.76 × 2,139.89
  4. Step 4: Simplify right side
    4,113.32x = 13,204,716.76
  5. Step 5: Solve for x
    x = 13,204,716.76/4,113.32
  6. Step 6: Final answer
    x = 3,210.24

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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.