Home / 6,445.22-8,894.40-3,650.72

Finding the Fourth Proportional to 6,445.22, 8,894.40 and 3,650.72

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Solution

The fourth proportional to 6,445.22, 8,894.40 and 3,650.72 is: 5,037.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.22 : 8,894.40 = 3,650.72 : x
  2. Step 2: Convert to fraction form
    6,445.22/8,894.40 = 3,650.72/x
  3. Step 3: Cross multiply
    6,445.22x = 8,894.40 × 3,650.72
  4. Step 4: Simplify right side
    6,445.22x = 32,470,963.97
  5. Step 5: Solve for x
    x = 32,470,963.97/6,445.22
  6. Step 6: Final answer
    x = 5,037.99

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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.