Home / 5,415.03-8,116.01-2,637.54

Finding the Fourth Proportional to 5,415.03, 8,116.01 and 2,637.54

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Solution

The fourth proportional to 5,415.03, 8,116.01 and 2,637.54 is: 3,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.03 : 8,116.01 = 2,637.54 : x
  2. Step 2: Convert to fraction form
    5,415.03/8,116.01 = 2,637.54/x
  3. Step 3: Cross multiply
    5,415.03x = 8,116.01 × 2,637.54
  4. Step 4: Simplify right side
    5,415.03x = 21,406,287.83
  5. Step 5: Solve for x
    x = 21,406,287.83/5,415.03
  6. Step 6: Final answer
    x = 3,953.12

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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.