Home / 8,769.56-12,102.16-4,790.84

Finding the Fourth Proportional to 8,769.56, 12,102.16 and 4,790.84

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Solution

The fourth proportional to 8,769.56, 12,102.16 and 4,790.84 is: 6,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.56 : 12,102.16 = 4,790.84 : x
  2. Step 2: Convert to fraction form
    8,769.56/12,102.16 = 4,790.84/x
  3. Step 3: Cross multiply
    8,769.56x = 12,102.16 × 4,790.84
  4. Step 4: Simplify right side
    8,769.56x = 57,979,512.21
  5. Step 5: Solve for x
    x = 57,979,512.21/8,769.56
  6. Step 6: Final answer
    x = 6,611.45

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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.