Home / 6,119.59-8,445.43-3,431

Finding the Fourth Proportional to 6,119.59, 8,445.43 and 3,431

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Solution

The fourth proportional to 6,119.59, 8,445.43 and 3,431 is: 4,735.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.59 : 8,445.43 = 3,431 : x
  2. Step 2: Convert to fraction form
    6,119.59/8,445.43 = 3,431/x
  3. Step 3: Cross multiply
    6,119.59x = 8,445.43 × 3,431
  4. Step 4: Simplify right side
    6,119.59x = 28,976,270.33
  5. Step 5: Solve for x
    x = 28,976,270.33/6,119.59
  6. Step 6: Final answer
    x = 4,735.00

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1.5x scale

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.