Home / 5,095.35-7,030.87-2,857.09

Finding the Fourth Proportional to 5,095.35, 7,030.87 and 2,857.09

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Solution

The fourth proportional to 5,095.35, 7,030.87 and 2,857.09 is: 3,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.35 : 7,030.87 = 2,857.09 : x
  2. Step 2: Convert to fraction form
    5,095.35/7,030.87 = 2,857.09/x
  3. Step 3: Cross multiply
    5,095.35x = 7,030.87 × 2,857.09
  4. Step 4: Simplify right side
    5,095.35x = 20,087,828.37
  5. Step 5: Solve for x
    x = 20,087,828.37/5,095.35
  6. Step 6: Final answer
    x = 3,942.38

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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.