Home / 9,730.15-13,427.75-5,696.05

Finding the Fourth Proportional to 9,730.15, 13,427.75 and 5,696.05

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Solution

The fourth proportional to 9,730.15, 13,427.75 and 5,696.05 is: 7,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730.15 : 13,427.75 = 5,696.05 : x
  2. Step 2: Convert to fraction form
    9,730.15/13,427.75 = 5,696.05/x
  3. Step 3: Cross multiply
    9,730.15x = 13,427.75 × 5,696.05
  4. Step 4: Simplify right side
    9,730.15x = 76,485,135.39
  5. Step 5: Solve for x
    x = 76,485,135.39/9,730.15
  6. Step 6: Final answer
    x = 7,860.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.