Home / 7,940.49-10,957.81-4,355.38

Finding the Fourth Proportional to 7,940.49, 10,957.81 and 4,355.38

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Solution

The fourth proportional to 7,940.49, 10,957.81 and 4,355.38 is: 6,010.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.49 : 10,957.81 = 4,355.38 : x
  2. Step 2: Convert to fraction form
    7,940.49/10,957.81 = 4,355.38/x
  3. Step 3: Cross multiply
    7,940.49x = 10,957.81 × 4,355.38
  4. Step 4: Simplify right side
    7,940.49x = 47,725,394.42
  5. Step 5: Solve for x
    x = 47,725,394.42/7,940.49
  6. Step 6: Final answer
    x = 6,010.38

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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.