Home / 5,613.15-8,418.45-1,663.59

Finding the Fourth Proportional to 5,613.15, 8,418.45 and 1,663.59

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Solution

The fourth proportional to 5,613.15, 8,418.45 and 1,663.59 is: 2,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.15 : 8,418.45 = 1,663.59 : x
  2. Step 2: Convert to fraction form
    5,613.15/8,418.45 = 1,663.59/x
  3. Step 3: Cross multiply
    5,613.15x = 8,418.45 × 1,663.59
  4. Step 4: Simplify right side
    5,613.15x = 14,004,849.24
  5. Step 5: Solve for x
    x = 14,004,849.24/5,613.15
  6. Step 6: Final answer
    x = 2,495.01

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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.