Home / 7,743.36-10,685.78-4,206.54

Finding the Fourth Proportional to 7,743.36, 10,685.78 and 4,206.54

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Solution

The fourth proportional to 7,743.36, 10,685.78 and 4,206.54 is: 5,805.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.36 : 10,685.78 = 4,206.54 : x
  2. Step 2: Convert to fraction form
    7,743.36/10,685.78 = 4,206.54/x
  3. Step 3: Cross multiply
    7,743.36x = 10,685.78 × 4,206.54
  4. Step 4: Simplify right side
    7,743.36x = 44,950,179.40
  5. Step 5: Solve for x
    x = 44,950,179.40/7,743.36
  6. Step 6: Final answer
    x = 5,805.00

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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.