Home / 8,216.54-11,339.70-6,117.02

Finding the Fourth Proportional to 8,216.54, 11,339.70 and 6,117.02

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Solution

The fourth proportional to 8,216.54, 11,339.70 and 6,117.02 is: 8,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.54 : 11,339.70 = 6,117.02 : x
  2. Step 2: Convert to fraction form
    8,216.54/11,339.70 = 6,117.02/x
  3. Step 3: Cross multiply
    8,216.54x = 11,339.70 × 6,117.02
  4. Step 4: Simplify right side
    8,216.54x = 69,365,171.69
  5. Step 5: Solve for x
    x = 69,365,171.69/8,216.54
  6. Step 6: Final answer
    x = 8,442.14

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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.