Home / 5,612.64-8,418.68-1,716.76

Finding the Fourth Proportional to 5,612.64, 8,418.68 and 1,716.76

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Solution

The fourth proportional to 5,612.64, 8,418.68 and 1,716.76 is: 2,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.64 : 8,418.68 = 1,716.76 : x
  2. Step 2: Convert to fraction form
    5,612.64/8,418.68 = 1,716.76/x
  3. Step 3: Cross multiply
    5,612.64x = 8,418.68 × 1,716.76
  4. Step 4: Simplify right side
    5,612.64x = 14,452,853.08
  5. Step 5: Solve for x
    x = 14,452,853.08/5,612.64
  6. Step 6: Final answer
    x = 2,575.05

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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.