Home / 8,124.37-12,186.64-2,859.53

Finding the Fourth Proportional to 8,124.37, 12,186.64 and 2,859.53

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Solution

The fourth proportional to 8,124.37, 12,186.64 and 2,859.53 is: 4,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.37 : 12,186.64 = 2,859.53 : x
  2. Step 2: Convert to fraction form
    8,124.37/12,186.64 = 2,859.53/x
  3. Step 3: Cross multiply
    8,124.37x = 12,186.64 × 2,859.53
  4. Step 4: Simplify right side
    8,124.37x = 34,848,062.68
  5. Step 5: Solve for x
    x = 34,848,062.68/8,124.37
  6. Step 6: Final answer
    x = 4,289.32

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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.