Home / 4,678.65-7,018.71-1,757.17

Finding the Fourth Proportional to 4,678.65, 7,018.71 and 1,757.17

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Solution

The fourth proportional to 4,678.65, 7,018.71 and 1,757.17 is: 2,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.65 : 7,018.71 = 1,757.17 : x
  2. Step 2: Convert to fraction form
    4,678.65/7,018.71 = 1,757.17/x
  3. Step 3: Cross multiply
    4,678.65x = 7,018.71 × 1,757.17
  4. Step 4: Simplify right side
    4,678.65x = 12,333,066.65
  5. Step 5: Solve for x
    x = 12,333,066.65/4,678.65
  6. Step 6: Final answer
    x = 2,636.03

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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.