Home / 5,626.80-7,762.23-3,639.06

Finding the Fourth Proportional to 5,626.80, 7,762.23 and 3,639.06

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Solution

The fourth proportional to 5,626.80, 7,762.23 and 3,639.06 is: 5,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.80 : 7,762.23 = 3,639.06 : x
  2. Step 2: Convert to fraction form
    5,626.80/7,762.23 = 3,639.06/x
  3. Step 3: Cross multiply
    5,626.80x = 7,762.23 × 3,639.06
  4. Step 4: Simplify right side
    5,626.80x = 28,247,220.70
  5. Step 5: Solve for x
    x = 28,247,220.70/5,626.80
  6. Step 6: Final answer
    x = 5,020.12

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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.