Home / 4,090.42-6,135.09-1,457.81

Finding the Fourth Proportional to 4,090.42, 6,135.09 and 1,457.81

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Solution

The fourth proportional to 4,090.42, 6,135.09 and 1,457.81 is: 2,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.42 : 6,135.09 = 1,457.81 : x
  2. Step 2: Convert to fraction form
    4,090.42/6,135.09 = 1,457.81/x
  3. Step 3: Cross multiply
    4,090.42x = 6,135.09 × 1,457.81
  4. Step 4: Simplify right side
    4,090.42x = 8,943,825.13
  5. Step 5: Solve for x
    x = 8,943,825.13/4,090.42
  6. Step 6: Final answer
    x = 2,186.53

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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.