Home / 9,785.37-13,504.13-5,309.28

Finding the Fourth Proportional to 9,785.37, 13,504.13 and 5,309.28

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Solution

The fourth proportional to 9,785.37, 13,504.13 and 5,309.28 is: 7,326.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.37 : 13,504.13 = 5,309.28 : x
  2. Step 2: Convert to fraction form
    9,785.37/13,504.13 = 5,309.28/x
  3. Step 3: Cross multiply
    9,785.37x = 13,504.13 × 5,309.28
  4. Step 4: Simplify right side
    9,785.37x = 71,697,248.33
  5. Step 5: Solve for x
    x = 71,697,248.33/9,785.37
  6. Step 6: Final answer
    x = 7,326.98

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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.