Home / 5,187.19-7,158.42-2,829.41

Finding the Fourth Proportional to 5,187.19, 7,158.42 and 2,829.41

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Solution

The fourth proportional to 5,187.19, 7,158.42 and 2,829.41 is: 3,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.19 : 7,158.42 = 2,829.41 : x
  2. Step 2: Convert to fraction form
    5,187.19/7,158.42 = 2,829.41/x
  3. Step 3: Cross multiply
    5,187.19x = 7,158.42 × 2,829.41
  4. Step 4: Simplify right side
    5,187.19x = 20,254,090.99
  5. Step 5: Solve for x
    x = 20,254,090.99/5,187.19
  6. Step 6: Final answer
    x = 3,904.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.