Home / 4,470.18-6,689.16-2,708.70

Finding the Fourth Proportional to 4,470.18, 6,689.16 and 2,708.70

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Solution

The fourth proportional to 4,470.18, 6,689.16 and 2,708.70 is: 4,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,470.18 : 6,689.16 = 2,708.70 : x
  2. Step 2: Convert to fraction form
    4,470.18/6,689.16 = 2,708.70/x
  3. Step 3: Cross multiply
    4,470.18x = 6,689.16 × 2,708.70
  4. Step 4: Simplify right side
    4,470.18x = 18,118,927.69
  5. Step 5: Solve for x
    x = 18,118,927.69/4,470.18
  6. Step 6: Final answer
    x = 4,053.29

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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.