Home / 8,942.18-12,339.50-4,908.32

Finding the Fourth Proportional to 8,942.18, 12,339.50 and 4,908.32

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Solution

The fourth proportional to 8,942.18, 12,339.50 and 4,908.32 is: 6,773.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.18 : 12,339.50 = 4,908.32 : x
  2. Step 2: Convert to fraction form
    8,942.18/12,339.50 = 4,908.32/x
  3. Step 3: Cross multiply
    8,942.18x = 12,339.50 × 4,908.32
  4. Step 4: Simplify right side
    8,942.18x = 60,566,214.64
  5. Step 5: Solve for x
    x = 60,566,214.64/8,942.18
  6. Step 6: Final answer
    x = 6,773.09

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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.