Home / 7,106.20-10,659.30-3,157.45

Finding the Fourth Proportional to 7,106.20, 10,659.30 and 3,157.45

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Solution

The fourth proportional to 7,106.20, 10,659.30 and 3,157.45 is: 4,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.20 : 10,659.30 = 3,157.45 : x
  2. Step 2: Convert to fraction form
    7,106.20/10,659.30 = 3,157.45/x
  3. Step 3: Cross multiply
    7,106.20x = 10,659.30 × 3,157.45
  4. Step 4: Simplify right side
    7,106.20x = 33,656,206.79
  5. Step 5: Solve for x
    x = 33,656,206.79/7,106.20
  6. Step 6: Final answer
    x = 4,736.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.