Home / 8,158.86-11,260.20-4,622.04

Finding the Fourth Proportional to 8,158.86, 11,260.20 and 4,622.04

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Solution

The fourth proportional to 8,158.86, 11,260.20 and 4,622.04 is: 6,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.86 : 11,260.20 = 4,622.04 : x
  2. Step 2: Convert to fraction form
    8,158.86/11,260.20 = 4,622.04/x
  3. Step 3: Cross multiply
    8,158.86x = 11,260.20 × 4,622.04
  4. Step 4: Simplify right side
    8,158.86x = 52,045,094.81
  5. Step 5: Solve for x
    x = 52,045,094.81/8,158.86
  6. Step 6: Final answer
    x = 6,378.97

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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.