Home / 4,861.49-6,699.78-3,366.77

Finding the Fourth Proportional to 4,861.49, 6,699.78 and 3,366.77

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Solution

The fourth proportional to 4,861.49, 6,699.78 and 3,366.77 is: 4,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.49 : 6,699.78 = 3,366.77 : x
  2. Step 2: Convert to fraction form
    4,861.49/6,699.78 = 3,366.77/x
  3. Step 3: Cross multiply
    4,861.49x = 6,699.78 × 3,366.77
  4. Step 4: Simplify right side
    4,861.49x = 22,556,584.81
  5. Step 5: Solve for x
    x = 22,556,584.81/4,861.49
  6. Step 6: Final answer
    x = 4,639.85

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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.