Home / 4,113.91-6,170.23-1,340.57

Finding the Fourth Proportional to 4,113.91, 6,170.23 and 1,340.57

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Solution

The fourth proportional to 4,113.91, 6,170.23 and 1,340.57 is: 2,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.91 : 6,170.23 = 1,340.57 : x
  2. Step 2: Convert to fraction form
    4,113.91/6,170.23 = 1,340.57/x
  3. Step 3: Cross multiply
    4,113.91x = 6,170.23 × 1,340.57
  4. Step 4: Simplify right side
    4,113.91x = 8,271,637.31
  5. Step 5: Solve for x
    x = 8,271,637.31/4,113.91
  6. Step 6: Final answer
    x = 2,010.65

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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.