Home / 5,708.45-7,847.39-4,908.83

Finding the Fourth Proportional to 5,708.45, 7,847.39 and 4,908.83

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Solution

The fourth proportional to 5,708.45, 7,847.39 and 4,908.83 is: 6,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.45 : 7,847.39 = 4,908.83 : x
  2. Step 2: Convert to fraction form
    5,708.45/7,847.39 = 4,908.83/x
  3. Step 3: Cross multiply
    5,708.45x = 7,847.39 × 4,908.83
  4. Step 4: Simplify right side
    5,708.45x = 38,521,503.45
  5. Step 5: Solve for x
    x = 38,521,503.45/5,708.45
  6. Step 6: Final answer
    x = 6,748.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.