Home / 4,307.84-5,940.78-3,426.56

Finding the Fourth Proportional to 4,307.84, 5,940.78 and 3,426.56

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Solution

The fourth proportional to 4,307.84, 5,940.78 and 3,426.56 is: 4,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.84 : 5,940.78 = 3,426.56 : x
  2. Step 2: Convert to fraction form
    4,307.84/5,940.78 = 3,426.56/x
  3. Step 3: Cross multiply
    4,307.84x = 5,940.78 × 3,426.56
  4. Step 4: Simplify right side
    4,307.84x = 20,356,439.12
  5. Step 5: Solve for x
    x = 20,356,439.12/4,307.84
  6. Step 6: Final answer
    x = 4,725.44

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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.