Home / 4,480.56-6,723.72-2,430

Finding the Fourth Proportional to 4,480.56, 6,723.72 and 2,430

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Solution

The fourth proportional to 4,480.56, 6,723.72 and 2,430 is: 3,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.56 : 6,723.72 = 2,430 : x
  2. Step 2: Convert to fraction form
    4,480.56/6,723.72 = 2,430/x
  3. Step 3: Cross multiply
    4,480.56x = 6,723.72 × 2,430
  4. Step 4: Simplify right side
    4,480.56x = 16,338,639.60
  5. Step 5: Solve for x
    x = 16,338,639.60/4,480.56
  6. Step 6: Final answer
    x = 3,646.56

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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.