Home / 4,688.72-6,471.82-2,700.68

Finding the Fourth Proportional to 4,688.72, 6,471.82 and 2,700.68

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Solution

The fourth proportional to 4,688.72, 6,471.82 and 2,700.68 is: 3,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.72 : 6,471.82 = 2,700.68 : x
  2. Step 2: Convert to fraction form
    4,688.72/6,471.82 = 2,700.68/x
  3. Step 3: Cross multiply
    4,688.72x = 6,471.82 × 2,700.68
  4. Step 4: Simplify right side
    4,688.72x = 17,478,282.48
  5. Step 5: Solve for x
    x = 17,478,282.48/4,688.72
  6. Step 6: Final answer
    x = 3,727.73

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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.