Home / 4,194.06-6,290.73-1,420.70

Finding the Fourth Proportional to 4,194.06, 6,290.73 and 1,420.70

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Solution

The fourth proportional to 4,194.06, 6,290.73 and 1,420.70 is: 2,130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.06 : 6,290.73 = 1,420.70 : x
  2. Step 2: Convert to fraction form
    4,194.06/6,290.73 = 1,420.70/x
  3. Step 3: Cross multiply
    4,194.06x = 6,290.73 × 1,420.70
  4. Step 4: Simplify right side
    4,194.06x = 8,937,208.66
  5. Step 5: Solve for x
    x = 8,937,208.66/4,194.06
  6. Step 6: Final answer
    x = 2,130.92

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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.