Home / 4,154.86-6,223.14-3,434.30

Finding the Fourth Proportional to 4,154.86, 6,223.14 and 3,434.30

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Solution

The fourth proportional to 4,154.86, 6,223.14 and 3,434.30 is: 5,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.86 : 6,223.14 = 3,434.30 : x
  2. Step 2: Convert to fraction form
    4,154.86/6,223.14 = 3,434.30/x
  3. Step 3: Cross multiply
    4,154.86x = 6,223.14 × 3,434.30
  4. Step 4: Simplify right side
    4,154.86x = 21,372,120.71
  5. Step 5: Solve for x
    x = 21,372,120.71/4,154.86
  6. Step 6: Final answer
    x = 5,143.88

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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.