Home / 8,837.36-13,319.56-7,619.48

Finding the Fourth Proportional to 8,837.36, 13,319.56 and 7,619.48

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Solution

The fourth proportional to 8,837.36, 13,319.56 and 7,619.48 is: 11,483.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.36 : 13,319.56 = 7,619.48 : x
  2. Step 2: Convert to fraction form
    8,837.36/13,319.56 = 7,619.48/x
  3. Step 3: Cross multiply
    8,837.36x = 13,319.56 × 7,619.48
  4. Step 4: Simplify right side
    8,837.36x = 101,488,121.03
  5. Step 5: Solve for x
    x = 101,488,121.03/8,837.36
  6. Step 6: Final answer
    x = 11,483.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.