Home / 5,380.35-8,070.24-1,682.16

Finding the Fourth Proportional to 5,380.35, 8,070.24 and 1,682.16

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Solution

The fourth proportional to 5,380.35, 8,070.24 and 1,682.16 is: 2,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.35 : 8,070.24 = 1,682.16 : x
  2. Step 2: Convert to fraction form
    5,380.35/8,070.24 = 1,682.16/x
  3. Step 3: Cross multiply
    5,380.35x = 8,070.24 × 1,682.16
  4. Step 4: Simplify right side
    5,380.35x = 13,575,434.92
  5. Step 5: Solve for x
    x = 13,575,434.92/5,380.35
  6. Step 6: Final answer
    x = 2,523.15

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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.