Home / 5,258.36-7,887.54-1,362.80

Finding the Fourth Proportional to 5,258.36, 7,887.54 and 1,362.80

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Solution

The fourth proportional to 5,258.36, 7,887.54 and 1,362.80 is: 2,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.36 : 7,887.54 = 1,362.80 : x
  2. Step 2: Convert to fraction form
    5,258.36/7,887.54 = 1,362.80/x
  3. Step 3: Cross multiply
    5,258.36x = 7,887.54 × 1,362.80
  4. Step 4: Simplify right side
    5,258.36x = 10,749,139.51
  5. Step 5: Solve for x
    x = 10,749,139.51/5,258.36
  6. Step 6: Final answer
    x = 2,044.20

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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.