Home / 4,327.49-6,485.72-2,106.86

Finding the Fourth Proportional to 4,327.49, 6,485.72 and 2,106.86

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Solution

The fourth proportional to 4,327.49, 6,485.72 and 2,106.86 is: 3,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.49 : 6,485.72 = 2,106.86 : x
  2. Step 2: Convert to fraction form
    4,327.49/6,485.72 = 2,106.86/x
  3. Step 3: Cross multiply
    4,327.49x = 6,485.72 × 2,106.86
  4. Step 4: Simplify right side
    4,327.49x = 13,664,509.41
  5. Step 5: Solve for x
    x = 13,664,509.41/4,327.49
  6. Step 6: Final answer
    x = 3,157.60

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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.