Home / 6,424.71-9,629.35-3,306.18

Finding the Fourth Proportional to 6,424.71, 9,629.35 and 3,306.18

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Solution

The fourth proportional to 6,424.71, 9,629.35 and 3,306.18 is: 4,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.71 : 9,629.35 = 3,306.18 : x
  2. Step 2: Convert to fraction form
    6,424.71/9,629.35 = 3,306.18/x
  3. Step 3: Cross multiply
    6,424.71x = 9,629.35 × 3,306.18
  4. Step 4: Simplify right side
    6,424.71x = 31,836,392.23
  5. Step 5: Solve for x
    x = 31,836,392.23/6,424.71
  6. Step 6: Final answer
    x = 4,955.31

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1.5x scale

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.