Home / 6,317.60-8,719.08-3,664.44

Finding the Fourth Proportional to 6,317.60, 8,719.08 and 3,664.44

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Solution

The fourth proportional to 6,317.60, 8,719.08 and 3,664.44 is: 5,057.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.60 : 8,719.08 = 3,664.44 : x
  2. Step 2: Convert to fraction form
    6,317.60/8,719.08 = 3,664.44/x
  3. Step 3: Cross multiply
    6,317.60x = 8,719.08 × 3,664.44
  4. Step 4: Simplify right side
    6,317.60x = 31,950,545.52
  5. Step 5: Solve for x
    x = 31,950,545.52/6,317.60
  6. Step 6: Final answer
    x = 5,057.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.