Home / 4,154.32-6,227.60-2,689.12

Finding the Fourth Proportional to 4,154.32, 6,227.60 and 2,689.12

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Solution

The fourth proportional to 4,154.32, 6,227.60 and 2,689.12 is: 4,031.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.32 : 6,227.60 = 2,689.12 : x
  2. Step 2: Convert to fraction form
    4,154.32/6,227.60 = 2,689.12/x
  3. Step 3: Cross multiply
    4,154.32x = 6,227.60 × 2,689.12
  4. Step 4: Simplify right side
    4,154.32x = 16,746,763.71
  5. Step 5: Solve for x
    x = 16,746,763.71/4,154.32
  6. Step 6: Final answer
    x = 4,031.17

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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.