Home / 4,116.32-6,176.64-2,168.72

Finding the Fourth Proportional to 4,116.32, 6,176.64 and 2,168.72

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Solution

The fourth proportional to 4,116.32, 6,176.64 and 2,168.72 is: 3,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.32 : 6,176.64 = 2,168.72 : x
  2. Step 2: Convert to fraction form
    4,116.32/6,176.64 = 2,168.72/x
  3. Step 3: Cross multiply
    4,116.32x = 6,176.64 × 2,168.72
  4. Step 4: Simplify right side
    4,116.32x = 13,395,402.70
  5. Step 5: Solve for x
    x = 13,395,402.70/4,116.32
  6. Step 6: Final answer
    x = 3,254.22

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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.