Home / 7,877.36-11,814.41-3,492.02

Finding the Fourth Proportional to 7,877.36, 11,814.41 and 3,492.02

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Solution

The fourth proportional to 7,877.36, 11,814.41 and 3,492.02 is: 5,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.36 : 11,814.41 = 3,492.02 : x
  2. Step 2: Convert to fraction form
    7,877.36/11,814.41 = 3,492.02/x
  3. Step 3: Cross multiply
    7,877.36x = 11,814.41 × 3,492.02
  4. Step 4: Simplify right side
    7,877.36x = 41,256,156.01
  5. Step 5: Solve for x
    x = 41,256,156.01/7,877.36
  6. Step 6: Final answer
    x = 5,237.31

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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.