Home / 5,343.36-7,374-2,985.60

Finding the Fourth Proportional to 5,343.36, 7,374 and 2,985.60

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Solution

The fourth proportional to 5,343.36, 7,374 and 2,985.60 is: 4,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.36 : 7,374 = 2,985.60 : x
  2. Step 2: Convert to fraction form
    5,343.36/7,374 = 2,985.60/x
  3. Step 3: Cross multiply
    5,343.36x = 7,374 × 2,985.60
  4. Step 4: Simplify right side
    5,343.36x = 22,015,814.40
  5. Step 5: Solve for x
    x = 22,015,814.40/5,343.36
  6. Step 6: Final answer
    x = 4,120.22

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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.