Home / 5,380.72-8,068.36-2,461.08

Finding the Fourth Proportional to 5,380.72, 8,068.36 and 2,461.08

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Solution

The fourth proportional to 5,380.72, 8,068.36 and 2,461.08 is: 3,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.72 : 8,068.36 = 2,461.08 : x
  2. Step 2: Convert to fraction form
    5,380.72/8,068.36 = 2,461.08/x
  3. Step 3: Cross multiply
    5,380.72x = 8,068.36 × 2,461.08
  4. Step 4: Simplify right side
    5,380.72x = 19,856,879.43
  5. Step 5: Solve for x
    x = 19,856,879.43/5,380.72
  6. Step 6: Final answer
    x = 3,690.38

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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.