Home / 4,506.80-6,759.52-1,220.08

Finding the Fourth Proportional to 4,506.80, 6,759.52 and 1,220.08

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Solution

The fourth proportional to 4,506.80, 6,759.52 and 1,220.08 is: 1,829.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,506.80 : 6,759.52 = 1,220.08 : x
  2. Step 2: Convert to fraction form
    4,506.80/6,759.52 = 1,220.08/x
  3. Step 3: Cross multiply
    4,506.80x = 6,759.52 × 1,220.08
  4. Step 4: Simplify right side
    4,506.80x = 8,247,155.16
  5. Step 5: Solve for x
    x = 8,247,155.16/4,506.80
  6. Step 6: Final answer
    x = 1,829.94

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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.