Home / 8,407.85-12,613.45-2,403.99

Finding the Fourth Proportional to 8,407.85, 12,613.45 and 2,403.99

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Solution

The fourth proportional to 8,407.85, 12,613.45 and 2,403.99 is: 3,606.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.85 : 12,613.45 = 2,403.99 : x
  2. Step 2: Convert to fraction form
    8,407.85/12,613.45 = 2,403.99/x
  3. Step 3: Cross multiply
    8,407.85x = 12,613.45 × 2,403.99
  4. Step 4: Simplify right side
    8,407.85x = 30,322,601.66
  5. Step 5: Solve for x
    x = 30,322,601.66/8,407.85
  6. Step 6: Final answer
    x = 3,606.46

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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.