Home / 5,071.82-6,998.72-2,803.07

Finding the Fourth Proportional to 5,071.82, 6,998.72 and 2,803.07

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Solution

The fourth proportional to 5,071.82, 6,998.72 and 2,803.07 is: 3,868.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.82 : 6,998.72 = 2,803.07 : x
  2. Step 2: Convert to fraction form
    5,071.82/6,998.72 = 2,803.07/x
  3. Step 3: Cross multiply
    5,071.82x = 6,998.72 × 2,803.07
  4. Step 4: Simplify right side
    5,071.82x = 19,617,902.07
  5. Step 5: Solve for x
    x = 19,617,902.07/5,071.82
  6. Step 6: Final answer
    x = 3,868.02

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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.