Home / 6,778.56-10,167.52-3,312.32

Finding the Fourth Proportional to 6,778.56, 10,167.52 and 3,312.32

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Solution

The fourth proportional to 6,778.56, 10,167.52 and 3,312.32 is: 4,968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.56 : 10,167.52 = 3,312.32 : x
  2. Step 2: Convert to fraction form
    6,778.56/10,167.52 = 3,312.32/x
  3. Step 3: Cross multiply
    6,778.56x = 10,167.52 × 3,312.32
  4. Step 4: Simplify right side
    6,778.56x = 33,678,079.85
  5. Step 5: Solve for x
    x = 33,678,079.85/6,778.56
  6. Step 6: Final answer
    x = 4,968.32

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1.5x scale

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.