Home / 4,113.23-6,170.75-1,920.75

Finding the Fourth Proportional to 4,113.23, 6,170.75 and 1,920.75

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Solution

The fourth proportional to 4,113.23, 6,170.75 and 1,920.75 is: 2,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.23 : 6,170.75 = 1,920.75 : x
  2. Step 2: Convert to fraction form
    4,113.23/6,170.75 = 1,920.75/x
  3. Step 3: Cross multiply
    4,113.23x = 6,170.75 × 1,920.75
  4. Step 4: Simplify right side
    4,113.23x = 11,852,458.46
  5. Step 5: Solve for x
    x = 11,852,458.46/4,113.23
  6. Step 6: Final answer
    x = 2,881.55

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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.