Home / 8,182.83-11,296.58-6,386.45

Finding the Fourth Proportional to 8,182.83, 11,296.58 and 6,386.45

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Solution

The fourth proportional to 8,182.83, 11,296.58 and 6,386.45 is: 8,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.83 : 11,296.58 = 6,386.45 : x
  2. Step 2: Convert to fraction form
    8,182.83/11,296.58 = 6,386.45/x
  3. Step 3: Cross multiply
    8,182.83x = 11,296.58 × 6,386.45
  4. Step 4: Simplify right side
    8,182.83x = 72,145,043.34
  5. Step 5: Solve for x
    x = 72,145,043.34/8,182.83
  6. Step 6: Final answer
    x = 8,816.64

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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.