Home / 8,812.08-12,161.70-5,035.86

Finding the Fourth Proportional to 8,812.08, 12,161.70 and 5,035.86

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Solution

The fourth proportional to 8,812.08, 12,161.70 and 5,035.86 is: 6,950.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.08 : 12,161.70 = 5,035.86 : x
  2. Step 2: Convert to fraction form
    8,812.08/12,161.70 = 5,035.86/x
  3. Step 3: Cross multiply
    8,812.08x = 12,161.70 × 5,035.86
  4. Step 4: Simplify right side
    8,812.08x = 61,244,618.56
  5. Step 5: Solve for x
    x = 61,244,618.56/8,812.08
  6. Step 6: Final answer
    x = 6,950.08

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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.