Home / 4,678.57-7,018.70-1,346.66

Finding the Fourth Proportional to 4,678.57, 7,018.70 and 1,346.66

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Solution

The fourth proportional to 4,678.57, 7,018.70 and 1,346.66 is: 2,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.57 : 7,018.70 = 1,346.66 : x
  2. Step 2: Convert to fraction form
    4,678.57/7,018.70 = 1,346.66/x
  3. Step 3: Cross multiply
    4,678.57x = 7,018.70 × 1,346.66
  4. Step 4: Simplify right side
    4,678.57x = 9,451,802.54
  5. Step 5: Solve for x
    x = 9,451,802.54/4,678.57
  6. Step 6: Final answer
    x = 2,020.23

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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.