Home / 5,634.15-8,451.64-1,685.10

Finding the Fourth Proportional to 5,634.15, 8,451.64 and 1,685.10

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Solution

The fourth proportional to 5,634.15, 8,451.64 and 1,685.10 is: 2,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.15 : 8,451.64 = 1,685.10 : x
  2. Step 2: Convert to fraction form
    5,634.15/8,451.64 = 1,685.10/x
  3. Step 3: Cross multiply
    5,634.15x = 8,451.64 × 1,685.10
  4. Step 4: Simplify right side
    5,634.15x = 14,241,858.56
  5. Step 5: Solve for x
    x = 14,241,858.56/5,634.15
  6. Step 6: Final answer
    x = 2,527.77

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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.