Home / 5,613.99-8,421.34-3,300.63

Finding the Fourth Proportional to 5,613.99, 8,421.34 and 3,300.63

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Solution

The fourth proportional to 5,613.99, 8,421.34 and 3,300.63 is: 4,951.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.99 : 8,421.34 = 3,300.63 : x
  2. Step 2: Convert to fraction form
    5,613.99/8,421.34 = 3,300.63/x
  3. Step 3: Cross multiply
    5,613.99x = 8,421.34 × 3,300.63
  4. Step 4: Simplify right side
    5,613.99x = 27,795,727.44
  5. Step 5: Solve for x
    x = 27,795,727.44/5,613.99
  6. Step 6: Final answer
    x = 4,951.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.