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Finding the Fourth Proportional to 6,445.84, 8,895.27 and 3,651.34

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Solution

The fourth proportional to 6,445.84, 8,895.27 and 3,651.34 is: 5,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.84 : 8,895.27 = 3,651.34 : x
  2. Step 2: Convert to fraction form
    6,445.84/8,895.27 = 3,651.34/x
  3. Step 3: Cross multiply
    6,445.84x = 8,895.27 × 3,651.34
  4. Step 4: Simplify right side
    6,445.84x = 32,479,655.16
  5. Step 5: Solve for x
    x = 32,479,655.16/6,445.84
  6. Step 6: Final answer
    x = 5,038.86

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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.