Home / 7,743.70-10,686.18-4,206.97

Finding the Fourth Proportional to 7,743.70, 10,686.18 and 4,206.97

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Solution

The fourth proportional to 7,743.70, 10,686.18 and 4,206.97 is: 5,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.70 : 10,686.18 = 4,206.97 : x
  2. Step 2: Convert to fraction form
    7,743.70/10,686.18 = 4,206.97/x
  3. Step 3: Cross multiply
    7,743.70x = 10,686.18 × 4,206.97
  4. Step 4: Simplify right side
    7,743.70x = 44,956,438.67
  5. Step 5: Solve for x
    x = 44,956,438.67/7,743.70
  6. Step 6: Final answer
    x = 5,805.55

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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.