Home / 4,903.05-6,766.79-2,913.61

Finding the Fourth Proportional to 4,903.05, 6,766.79 and 2,913.61

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Solution

The fourth proportional to 4,903.05, 6,766.79 and 2,913.61 is: 4,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.05 : 6,766.79 = 2,913.61 : x
  2. Step 2: Convert to fraction form
    4,903.05/6,766.79 = 2,913.61/x
  3. Step 3: Cross multiply
    4,903.05x = 6,766.79 × 2,913.61
  4. Step 4: Simplify right side
    4,903.05x = 19,715,787.01
  5. Step 5: Solve for x
    x = 19,715,787.01/4,903.05
  6. Step 6: Final answer
    x = 4,021.13

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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.