Home / 4,689.97-6,470.21-3,012.36

Finding the Fourth Proportional to 4,689.97, 6,470.21 and 3,012.36

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Solution

The fourth proportional to 4,689.97, 6,470.21 and 3,012.36 is: 4,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.97 : 6,470.21 = 3,012.36 : x
  2. Step 2: Convert to fraction form
    4,689.97/6,470.21 = 3,012.36/x
  3. Step 3: Cross multiply
    4,689.97x = 6,470.21 × 3,012.36
  4. Step 4: Simplify right side
    4,689.97x = 19,490,585.06
  5. Step 5: Solve for x
    x = 19,490,585.06/4,689.97
  6. Step 6: Final answer
    x = 4,155.80

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1.5x scale

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.