Home / 8,157.87-11,256.24-4,800.84

Finding the Fourth Proportional to 8,157.87, 11,256.24 and 4,800.84

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Solution

The fourth proportional to 8,157.87, 11,256.24 and 4,800.84 is: 6,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.87 : 11,256.24 = 4,800.84 : x
  2. Step 2: Convert to fraction form
    8,157.87/11,256.24 = 4,800.84/x
  3. Step 3: Cross multiply
    8,157.87x = 11,256.24 × 4,800.84
  4. Step 4: Simplify right side
    8,157.87x = 54,039,407.24
  5. Step 5: Solve for x
    x = 54,039,407.24/8,157.87
  6. Step 6: Final answer
    x = 6,624.21

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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.