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Finding the Fourth Proportional to 5,506.74, 7,605.60 and 3,626.72

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Solution

The fourth proportional to 5,506.74, 7,605.60 and 3,626.72 is: 5,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506.74 : 7,605.60 = 3,626.72 : x
  2. Step 2: Convert to fraction form
    5,506.74/7,605.60 = 3,626.72/x
  3. Step 3: Cross multiply
    5,506.74x = 7,605.60 × 3,626.72
  4. Step 4: Simplify right side
    5,506.74x = 27,583,400.65
  5. Step 5: Solve for x
    x = 27,583,400.65/5,506.74
  6. Step 6: Final answer
    x = 5,009.03

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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.