Home / 6,430.92-8,874.82-3,636.52

Finding the Fourth Proportional to 6,430.92, 8,874.82 and 3,636.52

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Solution

The fourth proportional to 6,430.92, 8,874.82 and 3,636.52 is: 5,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.92 : 8,874.82 = 3,636.52 : x
  2. Step 2: Convert to fraction form
    6,430.92/8,874.82 = 3,636.52/x
  3. Step 3: Cross multiply
    6,430.92x = 8,874.82 × 3,636.52
  4. Step 4: Simplify right side
    6,430.92x = 32,273,460.43
  5. Step 5: Solve for x
    x = 32,273,460.43/6,430.92
  6. Step 6: Final answer
    x = 5,018.48

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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.