Home / 8,942.23-12,340.24-4,909.13

Finding the Fourth Proportional to 8,942.23, 12,340.24 and 4,909.13

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Solution

The fourth proportional to 8,942.23, 12,340.24 and 4,909.13 is: 6,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.23 : 12,340.24 = 4,909.13 : x
  2. Step 2: Convert to fraction form
    8,942.23/12,340.24 = 4,909.13/x
  3. Step 3: Cross multiply
    8,942.23x = 12,340.24 × 4,909.13
  4. Step 4: Simplify right side
    8,942.23x = 60,579,814.69
  5. Step 5: Solve for x
    x = 60,579,814.69/8,942.23
  6. Step 6: Final answer
    x = 6,774.57

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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.