Home / 8,324.61-12,485.78-2,777.83

Finding the Fourth Proportional to 8,324.61, 12,485.78 and 2,777.83

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Solution

The fourth proportional to 8,324.61, 12,485.78 and 2,777.83 is: 4,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.61 : 12,485.78 = 2,777.83 : x
  2. Step 2: Convert to fraction form
    8,324.61/12,485.78 = 2,777.83/x
  3. Step 3: Cross multiply
    8,324.61x = 12,485.78 × 2,777.83
  4. Step 4: Simplify right side
    8,324.61x = 34,683,374.26
  5. Step 5: Solve for x
    x = 34,683,374.26/8,324.61
  6. Step 6: Final answer
    x = 4,166.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.