Home / 4,228.50-6,343.20-1,454.40

Finding the Fourth Proportional to 4,228.50, 6,343.20 and 1,454.40

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Solution

The fourth proportional to 4,228.50, 6,343.20 and 1,454.40 is: 2,181.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.50 : 6,343.20 = 1,454.40 : x
  2. Step 2: Convert to fraction form
    4,228.50/6,343.20 = 1,454.40/x
  3. Step 3: Cross multiply
    4,228.50x = 6,343.20 × 1,454.40
  4. Step 4: Simplify right side
    4,228.50x = 9,225,550.08
  5. Step 5: Solve for x
    x = 9,225,550.08/4,228.50
  6. Step 6: Final answer
    x = 2,181.75

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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.