Home / 8,769.44-12,106.08-5,630.96

Finding the Fourth Proportional to 8,769.44, 12,106.08 and 5,630.96

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Solution

The fourth proportional to 8,769.44, 12,106.08 and 5,630.96 is: 7,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.44 : 12,106.08 = 5,630.96 : x
  2. Step 2: Convert to fraction form
    8,769.44/12,106.08 = 5,630.96/x
  3. Step 3: Cross multiply
    8,769.44x = 12,106.08 × 5,630.96
  4. Step 4: Simplify right side
    8,769.44x = 68,168,852.24
  5. Step 5: Solve for x
    x = 68,168,852.24/8,769.44
  6. Step 6: Final answer
    x = 7,773.46

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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.