Home / 4,431.15-6,646.73-2,090.39

Finding the Fourth Proportional to 4,431.15, 6,646.73 and 2,090.39

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Solution

The fourth proportional to 4,431.15, 6,646.73 and 2,090.39 is: 3,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.15 : 6,646.73 = 2,090.39 : x
  2. Step 2: Convert to fraction form
    4,431.15/6,646.73 = 2,090.39/x
  3. Step 3: Cross multiply
    4,431.15x = 6,646.73 × 2,090.39
  4. Step 4: Simplify right side
    4,431.15x = 13,894,214.24
  5. Step 5: Solve for x
    x = 13,894,214.24/4,431.15
  6. Step 6: Final answer
    x = 3,135.58

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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.