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Finding the Fourth Proportional to 6,446.34, 8,894.40 and 3,651.84

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Solution

The fourth proportional to 6,446.34, 8,894.40 and 3,651.84 is: 5,038.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446.34 : 8,894.40 = 3,651.84 : x
  2. Step 2: Convert to fraction form
    6,446.34/8,894.40 = 3,651.84/x
  3. Step 3: Cross multiply
    6,446.34x = 8,894.40 × 3,651.84
  4. Step 4: Simplify right side
    6,446.34x = 32,480,925.70
  5. Step 5: Solve for x
    x = 32,480,925.70/6,446.34
  6. Step 6: Final answer
    x = 5,038.66

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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.