Home / 4,688.85-6,470.19-2,699.31

Finding the Fourth Proportional to 4,688.85, 6,470.19 and 2,699.31

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Solution

The fourth proportional to 4,688.85, 6,470.19 and 2,699.31 is: 3,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.85 : 6,470.19 = 2,699.31 : x
  2. Step 2: Convert to fraction form
    4,688.85/6,470.19 = 2,699.31/x
  3. Step 3: Cross multiply
    4,688.85x = 6,470.19 × 2,699.31
  4. Step 4: Simplify right side
    4,688.85x = 17,465,048.57
  5. Step 5: Solve for x
    x = 17,465,048.57/4,688.85
  6. Step 6: Final answer
    x = 3,724.80

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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.