Home / 4,230.48-6,334.79-2,918.28

Finding the Fourth Proportional to 4,230.48, 6,334.79 and 2,918.28

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Solution

The fourth proportional to 4,230.48, 6,334.79 and 2,918.28 is: 4,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.48 : 6,334.79 = 2,918.28 : x
  2. Step 2: Convert to fraction form
    4,230.48/6,334.79 = 2,918.28/x
  3. Step 3: Cross multiply
    4,230.48x = 6,334.79 × 2,918.28
  4. Step 4: Simplify right side
    4,230.48x = 18,486,690.96
  5. Step 5: Solve for x
    x = 18,486,690.96/4,230.48
  6. Step 6: Final answer
    x = 4,369.88

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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.