Home / 4,139.05-6,207.69-1,365.06

Finding the Fourth Proportional to 4,139.05, 6,207.69 and 1,365.06

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Solution

The fourth proportional to 4,139.05, 6,207.69 and 1,365.06 is: 2,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.05 : 6,207.69 = 1,365.06 : x
  2. Step 2: Convert to fraction form
    4,139.05/6,207.69 = 1,365.06/x
  3. Step 3: Cross multiply
    4,139.05x = 6,207.69 × 1,365.06
  4. Step 4: Simplify right side
    4,139.05x = 8,473,883.44
  5. Step 5: Solve for x
    x = 8,473,883.44/4,139.05
  6. Step 6: Final answer
    x = 2,047.30

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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.