Home / 4,145.83-5,720.31-3,027.40

Finding the Fourth Proportional to 4,145.83, 5,720.31 and 3,027.40

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Solution

The fourth proportional to 4,145.83, 5,720.31 and 3,027.40 is: 4,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.83 : 5,720.31 = 3,027.40 : x
  2. Step 2: Convert to fraction form
    4,145.83/5,720.31 = 3,027.40/x
  3. Step 3: Cross multiply
    4,145.83x = 5,720.31 × 3,027.40
  4. Step 4: Simplify right side
    4,145.83x = 17,317,666.49
  5. Step 5: Solve for x
    x = 17,317,666.49/4,145.83
  6. Step 6: Final answer
    x = 4,177.13

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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.