Home / 5,416.26-8,117.88-1,949.46

Finding the Fourth Proportional to 5,416.26, 8,117.88 and 1,949.46

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Solution

The fourth proportional to 5,416.26, 8,117.88 and 1,949.46 is: 2,921.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.26 : 8,117.88 = 1,949.46 : x
  2. Step 2: Convert to fraction form
    5,416.26/8,117.88 = 1,949.46/x
  3. Step 3: Cross multiply
    5,416.26x = 8,117.88 × 1,949.46
  4. Step 4: Simplify right side
    5,416.26x = 15,825,482.34
  5. Step 5: Solve for x
    x = 15,825,482.34/5,416.26
  6. Step 6: Final answer
    x = 2,921.85

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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.