Home / 9,785.76-13,504.44-5,309.52

Finding the Fourth Proportional to 9,785.76, 13,504.44 and 5,309.52

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Solution

The fourth proportional to 9,785.76, 13,504.44 and 5,309.52 is: 7,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.76 : 13,504.44 = 5,309.52 : x
  2. Step 2: Convert to fraction form
    9,785.76/13,504.44 = 5,309.52/x
  3. Step 3: Cross multiply
    9,785.76x = 13,504.44 × 5,309.52
  4. Step 4: Simplify right side
    9,785.76x = 71,702,094.27
  5. Step 5: Solve for x
    x = 71,702,094.27/9,785.76
  6. Step 6: Final answer
    x = 7,327.19

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1.5x scale

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.