Home / 8,157.06-11,256.78-4,620.96

Finding the Fourth Proportional to 8,157.06, 11,256.78 and 4,620.96

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Solution

The fourth proportional to 8,157.06, 11,256.78 and 4,620.96 is: 6,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.06 : 11,256.78 = 4,620.96 : x
  2. Step 2: Convert to fraction form
    8,157.06/11,256.78 = 4,620.96/x
  3. Step 3: Cross multiply
    8,157.06x = 11,256.78 × 4,620.96
  4. Step 4: Simplify right side
    8,157.06x = 52,017,130.11
  5. Step 5: Solve for x
    x = 52,017,130.11/8,157.06
  6. Step 6: Final answer
    x = 6,376.95

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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.