Home / 4,664.64-6,435.22-3,090

Finding the Fourth Proportional to 4,664.64, 6,435.22 and 3,090

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Solution

The fourth proportional to 4,664.64, 6,435.22 and 3,090 is: 4,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.64 : 6,435.22 = 3,090 : x
  2. Step 2: Convert to fraction form
    4,664.64/6,435.22 = 3,090/x
  3. Step 3: Cross multiply
    4,664.64x = 6,435.22 × 3,090
  4. Step 4: Simplify right side
    4,664.64x = 19,884,829.80
  5. Step 5: Solve for x
    x = 19,884,829.80/4,664.64
  6. Step 6: Final answer
    x = 4,262.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.