Home / 5,640.19-8,460.24-4,408.63

Finding the Fourth Proportional to 5,640.19, 8,460.24 and 4,408.63

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Solution

The fourth proportional to 5,640.19, 8,460.24 and 4,408.63 is: 6,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.19 : 8,460.24 = 4,408.63 : x
  2. Step 2: Convert to fraction form
    5,640.19/8,460.24 = 4,408.63/x
  3. Step 3: Cross multiply
    5,640.19x = 8,460.24 × 4,408.63
  4. Step 4: Simplify right side
    5,640.19x = 37,298,067.87
  5. Step 5: Solve for x
    x = 37,298,067.87/5,640.19
  6. Step 6: Final answer
    x = 6,612.91

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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.