Home / 5,635.28-8,454.14-1,686.85

Finding the Fourth Proportional to 5,635.28, 8,454.14 and 1,686.85

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Solution

The fourth proportional to 5,635.28, 8,454.14 and 1,686.85 is: 2,530.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.28 : 8,454.14 = 1,686.85 : x
  2. Step 2: Convert to fraction form
    5,635.28/8,454.14 = 1,686.85/x
  3. Step 3: Cross multiply
    5,635.28x = 8,454.14 × 1,686.85
  4. Step 4: Simplify right side
    5,635.28x = 14,260,866.06
  5. Step 5: Solve for x
    x = 14,260,866.06/5,635.28
  6. Step 6: Final answer
    x = 2,530.64

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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.