Home / 7,866.05-10,855.23-4,329.34

Finding the Fourth Proportional to 7,866.05, 10,855.23 and 4,329.34

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Solution

The fourth proportional to 7,866.05, 10,855.23 and 4,329.34 is: 5,974.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.05 : 10,855.23 = 4,329.34 : x
  2. Step 2: Convert to fraction form
    7,866.05/10,855.23 = 4,329.34/x
  3. Step 3: Cross multiply
    7,866.05x = 10,855.23 × 4,329.34
  4. Step 4: Simplify right side
    7,866.05x = 46,995,954.31
  5. Step 5: Solve for x
    x = 46,995,954.31/7,866.05
  6. Step 6: Final answer
    x = 5,974.53

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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.