Home / 7,847.64-10,826.61-4,489.80

Finding the Fourth Proportional to 7,847.64, 10,826.61 and 4,489.80

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Solution

The fourth proportional to 7,847.64, 10,826.61 and 4,489.80 is: 6,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.64 : 10,826.61 = 4,489.80 : x
  2. Step 2: Convert to fraction form
    7,847.64/10,826.61 = 4,489.80/x
  3. Step 3: Cross multiply
    7,847.64x = 10,826.61 × 4,489.80
  4. Step 4: Simplify right side
    7,847.64x = 48,609,317.81
  5. Step 5: Solve for x
    x = 48,609,317.81/7,847.64
  6. Step 6: Final answer
    x = 6,194.14

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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.