Home / 4,688.85-6,471.23-2,699.49

Finding the Fourth Proportional to 4,688.85, 6,471.23 and 2,699.49

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Solution

The fourth proportional to 4,688.85, 6,471.23 and 2,699.49 is: 3,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.85 : 6,471.23 = 2,699.49 : x
  2. Step 2: Convert to fraction form
    4,688.85/6,471.23 = 2,699.49/x
  3. Step 3: Cross multiply
    4,688.85x = 6,471.23 × 2,699.49
  4. Step 4: Simplify right side
    4,688.85x = 17,469,007.18
  5. Step 5: Solve for x
    x = 17,469,007.18/4,688.85
  6. Step 6: Final answer
    x = 3,725.65

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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.