Home / 4,317.21-6,478.20-3,283.65

Finding the Fourth Proportional to 4,317.21, 6,478.20 and 3,283.65

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Solution

The fourth proportional to 4,317.21, 6,478.20 and 3,283.65 is: 4,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.21 : 6,478.20 = 3,283.65 : x
  2. Step 2: Convert to fraction form
    4,317.21/6,478.20 = 3,283.65/x
  3. Step 3: Cross multiply
    4,317.21x = 6,478.20 × 3,283.65
  4. Step 4: Simplify right side
    4,317.21x = 21,272,141.43
  5. Step 5: Solve for x
    x = 21,272,141.43/4,317.21
  6. Step 6: Final answer
    x = 4,927.29

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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.