Home / 7,026.11-10,539.71-2,643.47

Finding the Fourth Proportional to 7,026.11, 10,539.71 and 2,643.47

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Solution

The fourth proportional to 7,026.11, 10,539.71 and 2,643.47 is: 3,965.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,026.11 : 10,539.71 = 2,643.47 : x
  2. Step 2: Convert to fraction form
    7,026.11/10,539.71 = 2,643.47/x
  3. Step 3: Cross multiply
    7,026.11x = 10,539.71 × 2,643.47
  4. Step 4: Simplify right side
    7,026.11x = 27,861,407.19
  5. Step 5: Solve for x
    x = 27,861,407.19/7,026.11
  6. Step 6: Final answer
    x = 3,965.41

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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.