Home / 8,913.33-12,299.90-4,934.21

Finding the Fourth Proportional to 8,913.33, 12,299.90 and 4,934.21

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Solution

The fourth proportional to 8,913.33, 12,299.90 and 4,934.21 is: 6,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.33 : 12,299.90 = 4,934.21 : x
  2. Step 2: Convert to fraction form
    8,913.33/12,299.90 = 4,934.21/x
  3. Step 3: Cross multiply
    8,913.33x = 12,299.90 × 4,934.21
  4. Step 4: Simplify right side
    8,913.33x = 60,690,203.41
  5. Step 5: Solve for x
    x = 60,690,203.41/8,913.33
  6. Step 6: Final answer
    x = 6,808.93

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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.