Home / 4,688.60-6,471.51-2,699.39

Finding the Fourth Proportional to 4,688.60, 6,471.51 and 2,699.39

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Solution

The fourth proportional to 4,688.60, 6,471.51 and 2,699.39 is: 3,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.60 : 6,471.51 = 2,699.39 : x
  2. Step 2: Convert to fraction form
    4,688.60/6,471.51 = 2,699.39/x
  3. Step 3: Cross multiply
    4,688.60x = 6,471.51 × 2,699.39
  4. Step 4: Simplify right side
    4,688.60x = 17,469,129.38
  5. Step 5: Solve for x
    x = 17,469,129.38/4,688.60
  6. Step 6: Final answer
    x = 3,725.87

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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.