Home / 8,228.93-11,355.59-4,691.45

Finding the Fourth Proportional to 8,228.93, 11,355.59 and 4,691.45

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Solution

The fourth proportional to 8,228.93, 11,355.59 and 4,691.45 is: 6,474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.93 : 11,355.59 = 4,691.45 : x
  2. Step 2: Convert to fraction form
    8,228.93/11,355.59 = 4,691.45/x
  3. Step 3: Cross multiply
    8,228.93x = 11,355.59 × 4,691.45
  4. Step 4: Simplify right side
    8,228.93x = 53,274,222.82
  5. Step 5: Solve for x
    x = 53,274,222.82/8,228.93
  6. Step 6: Final answer
    x = 6,474.02

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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.