Home / 4,349.50-6,520.80-2,157.64

Finding the Fourth Proportional to 4,349.50, 6,520.80 and 2,157.64

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Solution

The fourth proportional to 4,349.50, 6,520.80 and 2,157.64 is: 3,234.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,349.50 : 6,520.80 = 2,157.64 : x
  2. Step 2: Convert to fraction form
    4,349.50/6,520.80 = 2,157.64/x
  3. Step 3: Cross multiply
    4,349.50x = 6,520.80 × 2,157.64
  4. Step 4: Simplify right side
    4,349.50x = 14,069,538.91
  5. Step 5: Solve for x
    x = 14,069,538.91/4,349.50
  6. Step 6: Final answer
    x = 3,234.75

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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.