Home / 5,095.14-7,030.81-2,857.11

Finding the Fourth Proportional to 5,095.14, 7,030.81 and 2,857.11

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Solution

The fourth proportional to 5,095.14, 7,030.81 and 2,857.11 is: 3,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.14 : 7,030.81 = 2,857.11 : x
  2. Step 2: Convert to fraction form
    5,095.14/7,030.81 = 2,857.11/x
  3. Step 3: Cross multiply
    5,095.14x = 7,030.81 × 2,857.11
  4. Step 4: Simplify right side
    5,095.14x = 20,087,783.27
  5. Step 5: Solve for x
    x = 20,087,783.27/5,095.14
  6. Step 6: Final answer
    x = 3,942.54

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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.