Home / 8,539.02-12,809.39-2,615.84

Finding the Fourth Proportional to 8,539.02, 12,809.39 and 2,615.84

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Solution

The fourth proportional to 8,539.02, 12,809.39 and 2,615.84 is: 3,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.02 : 12,809.39 = 2,615.84 : x
  2. Step 2: Convert to fraction form
    8,539.02/12,809.39 = 2,615.84/x
  3. Step 3: Cross multiply
    8,539.02x = 12,809.39 × 2,615.84
  4. Step 4: Simplify right side
    8,539.02x = 33,507,301.66
  5. Step 5: Solve for x
    x = 33,507,301.66/8,539.02
  6. Step 6: Final answer
    x = 3,924.02

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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.