Home / 8,409.15-12,613.70-4,663.22

Finding the Fourth Proportional to 8,409.15, 12,613.70 and 4,663.22

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Solution

The fourth proportional to 8,409.15, 12,613.70 and 4,663.22 is: 6,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.15 : 12,613.70 = 4,663.22 : x
  2. Step 2: Convert to fraction form
    8,409.15/12,613.70 = 4,663.22/x
  3. Step 3: Cross multiply
    8,409.15x = 12,613.70 × 4,663.22
  4. Step 4: Simplify right side
    8,409.15x = 58,820,406.70
  5. Step 5: Solve for x
    x = 58,820,406.70/8,409.15
  6. Step 6: Final answer
    x = 6,994.81

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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.