Home / 5,164.60-7,127.40-2,926.36

Finding the Fourth Proportional to 5,164.60, 7,127.40 and 2,926.36

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Solution

The fourth proportional to 5,164.60, 7,127.40 and 2,926.36 is: 4,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.60 : 7,127.40 = 2,926.36 : x
  2. Step 2: Convert to fraction form
    5,164.60/7,127.40 = 2,926.36/x
  3. Step 3: Cross multiply
    5,164.60x = 7,127.40 × 2,926.36
  4. Step 4: Simplify right side
    5,164.60x = 20,857,338.26
  5. Step 5: Solve for x
    x = 20,857,338.26/5,164.60
  6. Step 6: Final answer
    x = 4,038.52

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