Home / 8,191.36-11,301.20-6,303.52

Finding the Fourth Proportional to 8,191.36, 11,301.20 and 6,303.52

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Solution

The fourth proportional to 8,191.36, 11,301.20 and 6,303.52 is: 8,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.36 : 11,301.20 = 6,303.52 : x
  2. Step 2: Convert to fraction form
    8,191.36/11,301.20 = 6,303.52/x
  3. Step 3: Cross multiply
    8,191.36x = 11,301.20 × 6,303.52
  4. Step 4: Simplify right side
    8,191.36x = 71,237,340.22
  5. Step 5: Solve for x
    x = 71,237,340.22/8,191.36
  6. Step 6: Final answer
    x = 8,696.64

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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.