Home / 5,920.77-8,881.06-3,425.70

Finding the Fourth Proportional to 5,920.77, 8,881.06 and 3,425.70

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Solution

The fourth proportional to 5,920.77, 8,881.06 and 3,425.70 is: 5,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.77 : 8,881.06 = 3,425.70 : x
  2. Step 2: Convert to fraction form
    5,920.77/8,881.06 = 3,425.70/x
  3. Step 3: Cross multiply
    5,920.77x = 8,881.06 × 3,425.70
  4. Step 4: Simplify right side
    5,920.77x = 30,423,847.24
  5. Step 5: Solve for x
    x = 30,423,847.24/5,920.77
  6. Step 6: Final answer
    x = 5,138.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.