Home / 4,085.51-6,120.35-2,133.01

Finding the Fourth Proportional to 4,085.51, 6,120.35 and 2,133.01

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Solution

The fourth proportional to 4,085.51, 6,120.35 and 2,133.01 is: 3,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.51 : 6,120.35 = 2,133.01 : x
  2. Step 2: Convert to fraction form
    4,085.51/6,120.35 = 2,133.01/x
  3. Step 3: Cross multiply
    4,085.51x = 6,120.35 × 2,133.01
  4. Step 4: Simplify right side
    4,085.51x = 13,054,726.49
  5. Step 5: Solve for x
    x = 13,054,726.49/4,085.51
  6. Step 6: Final answer
    x = 3,195.37

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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.