Home / 7,539.36-11,309.16-2,858.88

Finding the Fourth Proportional to 7,539.36, 11,309.16 and 2,858.88

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Solution

The fourth proportional to 7,539.36, 11,309.16 and 2,858.88 is: 4,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.36 : 11,309.16 = 2,858.88 : x
  2. Step 2: Convert to fraction form
    7,539.36/11,309.16 = 2,858.88/x
  3. Step 3: Cross multiply
    7,539.36x = 11,309.16 × 2,858.88
  4. Step 4: Simplify right side
    7,539.36x = 32,331,531.34
  5. Step 5: Solve for x
    x = 32,331,531.34/7,539.36
  6. Step 6: Final answer
    x = 4,288.37

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1.5x scale

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.