Home / 8,539.30-12,802.78-5,759.02

Finding the Fourth Proportional to 8,539.30, 12,802.78 and 5,759.02

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Solution

The fourth proportional to 8,539.30, 12,802.78 and 5,759.02 is: 8,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.30 : 12,802.78 = 5,759.02 : x
  2. Step 2: Convert to fraction form
    8,539.30/12,802.78 = 5,759.02/x
  3. Step 3: Cross multiply
    8,539.30x = 12,802.78 × 5,759.02
  4. Step 4: Simplify right side
    8,539.30x = 73,731,466.08
  5. Step 5: Solve for x
    x = 73,731,466.08/8,539.30
  6. Step 6: Final answer
    x = 8,634.37

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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.