Home / 7,743.62-10,686.16-4,206.83

Finding the Fourth Proportional to 7,743.62, 10,686.16 and 4,206.83

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Solution

The fourth proportional to 7,743.62, 10,686.16 and 4,206.83 is: 5,805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.62 : 10,686.16 = 4,206.83 : x
  2. Step 2: Convert to fraction form
    7,743.62/10,686.16 = 4,206.83/x
  3. Step 3: Cross multiply
    7,743.62x = 10,686.16 × 4,206.83
  4. Step 4: Simplify right side
    7,743.62x = 44,954,858.47
  5. Step 5: Solve for x
    x = 44,954,858.47/7,743.62
  6. Step 6: Final answer
    x = 5,805.41

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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.