Home / 6,445.36-8,895.33-3,613.49

Finding the Fourth Proportional to 6,445.36, 8,895.33 and 3,613.49

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Solution

The fourth proportional to 6,445.36, 8,895.33 and 3,613.49 is: 4,987.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.36 : 8,895.33 = 3,613.49 : x
  2. Step 2: Convert to fraction form
    6,445.36/8,895.33 = 3,613.49/x
  3. Step 3: Cross multiply
    6,445.36x = 8,895.33 × 3,613.49
  4. Step 4: Simplify right side
    6,445.36x = 32,143,167.93
  5. Step 5: Solve for x
    x = 32,143,167.93/6,445.36
  6. Step 6: Final answer
    x = 4,987.03

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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.