Home / 4,318.31-6,478.18-1,396.04

Finding the Fourth Proportional to 4,318.31, 6,478.18 and 1,396.04

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Solution

The fourth proportional to 4,318.31, 6,478.18 and 1,396.04 is: 2,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.31 : 6,478.18 = 1,396.04 : x
  2. Step 2: Convert to fraction form
    4,318.31/6,478.18 = 1,396.04/x
  3. Step 3: Cross multiply
    4,318.31x = 6,478.18 × 1,396.04
  4. Step 4: Simplify right side
    4,318.31x = 9,043,762.53
  5. Step 5: Solve for x
    x = 9,043,762.53/4,318.31
  6. Step 6: Final answer
    x = 2,094.28

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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.