Home / 6,445.62-8,895.48-3,613.62

Finding the Fourth Proportional to 6,445.62, 8,895.48 and 3,613.62

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Solution

The fourth proportional to 6,445.62, 8,895.48 and 3,613.62 is: 4,987.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.62 : 8,895.48 = 3,613.62 : x
  2. Step 2: Convert to fraction form
    6,445.62/8,895.48 = 3,613.62/x
  3. Step 3: Cross multiply
    6,445.62x = 8,895.48 × 3,613.62
  4. Step 4: Simplify right side
    6,445.62x = 32,144,884.44
  5. Step 5: Solve for x
    x = 32,144,884.44/6,445.62
  6. Step 6: Final answer
    x = 4,987.09

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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.