Home / 4,506.40-6,759.59-1,219.49

Finding the Fourth Proportional to 4,506.40, 6,759.59 and 1,219.49

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Solution

The fourth proportional to 4,506.40, 6,759.59 and 1,219.49 is: 1,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,506.40 : 6,759.59 = 1,219.49 : x
  2. Step 2: Convert to fraction form
    4,506.40/6,759.59 = 1,219.49/x
  3. Step 3: Cross multiply
    4,506.40x = 6,759.59 × 1,219.49
  4. Step 4: Simplify right side
    4,506.40x = 8,243,252.41
  5. Step 5: Solve for x
    x = 8,243,252.41/4,506.40
  6. Step 6: Final answer
    x = 1,829.23

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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.