Home / 4,430-6,643.08-2,237.60

Finding the Fourth Proportional to 4,430, 6,643.08 and 2,237.60

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Solution

The fourth proportional to 4,430, 6,643.08 and 2,237.60 is: 3,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430 : 6,643.08 = 2,237.60 : x
  2. Step 2: Convert to fraction form
    4,430/6,643.08 = 2,237.60/x
  3. Step 3: Cross multiply
    4,430x = 6,643.08 × 2,237.60
  4. Step 4: Simplify right side
    4,430x = 14,864,555.81
  5. Step 5: Solve for x
    x = 14,864,555.81/4,430
  6. Step 6: Final answer
    x = 3,355.43

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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.