Home / 6,815.41-10,223.21-4,490.30

Finding the Fourth Proportional to 6,815.41, 10,223.21 and 4,490.30

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Solution

The fourth proportional to 6,815.41, 10,223.21 and 4,490.30 is: 6,735.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.41 : 10,223.21 = 4,490.30 : x
  2. Step 2: Convert to fraction form
    6,815.41/10,223.21 = 4,490.30/x
  3. Step 3: Cross multiply
    6,815.41x = 10,223.21 × 4,490.30
  4. Step 4: Simplify right side
    6,815.41x = 45,905,316.65
  5. Step 5: Solve for x
    x = 45,905,316.65/6,815.41
  6. Step 6: Final answer
    x = 6,735.52

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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.