Home / 7,212.54-10,818.66-2,018.28

Finding the Fourth Proportional to 7,212.54, 10,818.66 and 2,018.28

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Solution

The fourth proportional to 7,212.54, 10,818.66 and 2,018.28 is: 3,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.54 : 10,818.66 = 2,018.28 : x
  2. Step 2: Convert to fraction form
    7,212.54/10,818.66 = 2,018.28/x
  3. Step 3: Cross multiply
    7,212.54x = 10,818.66 × 2,018.28
  4. Step 4: Simplify right side
    7,212.54x = 21,835,085.10
  5. Step 5: Solve for x
    x = 21,835,085.10/7,212.54
  6. Step 6: Final answer
    x = 3,027.38

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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.