Home / 4,090.39-6,133.12-1,838.51

Finding the Fourth Proportional to 4,090.39, 6,133.12 and 1,838.51

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Solution

The fourth proportional to 4,090.39, 6,133.12 and 1,838.51 is: 2,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.39 : 6,133.12 = 1,838.51 : x
  2. Step 2: Convert to fraction form
    4,090.39/6,133.12 = 1,838.51/x
  3. Step 3: Cross multiply
    4,090.39x = 6,133.12 × 1,838.51
  4. Step 4: Simplify right side
    4,090.39x = 11,275,767.19
  5. Step 5: Solve for x
    x = 11,275,767.19/4,090.39
  6. Step 6: Final answer
    x = 2,756.65

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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.