Home / 4,470.78-6,699.31-2,391.07

Finding the Fourth Proportional to 4,470.78, 6,699.31 and 2,391.07

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Solution

The fourth proportional to 4,470.78, 6,699.31 and 2,391.07 is: 3,582.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,470.78 : 6,699.31 = 2,391.07 : x
  2. Step 2: Convert to fraction form
    4,470.78/6,699.31 = 2,391.07/x
  3. Step 3: Cross multiply
    4,470.78x = 6,699.31 × 2,391.07
  4. Step 4: Simplify right side
    4,470.78x = 16,018,519.16
  5. Step 5: Solve for x
    x = 16,018,519.16/4,470.78
  6. Step 6: Final answer
    x = 3,582.94

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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.