Home / 5,119.53-7,685.43-3,471.08

Finding the Fourth Proportional to 5,119.53, 7,685.43 and 3,471.08

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Solution

The fourth proportional to 5,119.53, 7,685.43 and 3,471.08 is: 5,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.53 : 7,685.43 = 3,471.08 : x
  2. Step 2: Convert to fraction form
    5,119.53/7,685.43 = 3,471.08/x
  3. Step 3: Cross multiply
    5,119.53x = 7,685.43 × 3,471.08
  4. Step 4: Simplify right side
    5,119.53x = 26,676,703.94
  5. Step 5: Solve for x
    x = 26,676,703.94/5,119.53
  6. Step 6: Final answer
    x = 5,210.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.