Home / 4,090.86-6,139.04-1,626.21

Finding the Fourth Proportional to 4,090.86, 6,139.04 and 1,626.21

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Solution

The fourth proportional to 4,090.86, 6,139.04 and 1,626.21 is: 2,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.86 : 6,139.04 = 1,626.21 : x
  2. Step 2: Convert to fraction form
    4,090.86/6,139.04 = 1,626.21/x
  3. Step 3: Cross multiply
    4,090.86x = 6,139.04 × 1,626.21
  4. Step 4: Simplify right side
    4,090.86x = 9,983,360.11
  5. Step 5: Solve for x
    x = 9,983,360.11/4,090.86
  6. Step 6: Final answer
    x = 2,440.41

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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.