Home / 6,639.98-9,955.34-2,940.19

Finding the Fourth Proportional to 6,639.98, 9,955.34 and 2,940.19

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Solution

The fourth proportional to 6,639.98, 9,955.34 and 2,940.19 is: 4,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.98 : 9,955.34 = 2,940.19 : x
  2. Step 2: Convert to fraction form
    6,639.98/9,955.34 = 2,940.19/x
  3. Step 3: Cross multiply
    6,639.98x = 9,955.34 × 2,940.19
  4. Step 4: Simplify right side
    6,639.98x = 29,270,573.58
  5. Step 5: Solve for x
    x = 29,270,573.58/6,639.98
  6. Step 6: Final answer
    x = 4,408.24

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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.