Home / 5,291.71-7,302.48-2,933.80

Finding the Fourth Proportional to 5,291.71, 7,302.48 and 2,933.80

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Solution

The fourth proportional to 5,291.71, 7,302.48 and 2,933.80 is: 4,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.71 : 7,302.48 = 2,933.80 : x
  2. Step 2: Convert to fraction form
    5,291.71/7,302.48 = 2,933.80/x
  3. Step 3: Cross multiply
    5,291.71x = 7,302.48 × 2,933.80
  4. Step 4: Simplify right side
    5,291.71x = 21,424,015.82
  5. Step 5: Solve for x
    x = 21,424,015.82/5,291.71
  6. Step 6: Final answer
    x = 4,048.60

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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.