Home / 5,877.36-8,810.37-1,979.64

Finding the Fourth Proportional to 5,877.36, 8,810.37 and 1,979.64

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Solution

The fourth proportional to 5,877.36, 8,810.37 and 1,979.64 is: 2,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.36 : 8,810.37 = 1,979.64 : x
  2. Step 2: Convert to fraction form
    5,877.36/8,810.37 = 1,979.64/x
  3. Step 3: Cross multiply
    5,877.36x = 8,810.37 × 1,979.64
  4. Step 4: Simplify right side
    5,877.36x = 17,441,360.87
  5. Step 5: Solve for x
    x = 17,441,360.87/5,877.36
  6. Step 6: Final answer
    x = 2,967.55

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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.