Home / 5,639.23-8,458.83-2,263.55

Finding the Fourth Proportional to 5,639.23, 8,458.83 and 2,263.55

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Solution

The fourth proportional to 5,639.23, 8,458.83 and 2,263.55 is: 3,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.23 : 8,458.83 = 2,263.55 : x
  2. Step 2: Convert to fraction form
    5,639.23/8,458.83 = 2,263.55/x
  3. Step 3: Cross multiply
    5,639.23x = 8,458.83 × 2,263.55
  4. Step 4: Simplify right side
    5,639.23x = 19,146,984.65
  5. Step 5: Solve for x
    x = 19,146,984.65/5,639.23
  6. Step 6: Final answer
    x = 3,395.32

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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.