Home / 5,000.34-6,901.81-3,110.85

Finding the Fourth Proportional to 5,000.34, 6,901.81 and 3,110.85

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Solution

The fourth proportional to 5,000.34, 6,901.81 and 3,110.85 is: 4,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.34 : 6,901.81 = 3,110.85 : x
  2. Step 2: Convert to fraction form
    5,000.34/6,901.81 = 3,110.85/x
  3. Step 3: Cross multiply
    5,000.34x = 6,901.81 × 3,110.85
  4. Step 4: Simplify right side
    5,000.34x = 21,470,513.74
  5. Step 5: Solve for x
    x = 21,470,513.74/5,000.34
  6. Step 6: Final answer
    x = 4,293.81

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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.