Home / 4,790.72-7,185.80-1,670.88

Finding the Fourth Proportional to 4,790.72, 7,185.80 and 1,670.88

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Solution

The fourth proportional to 4,790.72, 7,185.80 and 1,670.88 is: 2,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.72 : 7,185.80 = 1,670.88 : x
  2. Step 2: Convert to fraction form
    4,790.72/7,185.80 = 1,670.88/x
  3. Step 3: Cross multiply
    4,790.72x = 7,185.80 × 1,670.88
  4. Step 4: Simplify right side
    4,790.72x = 12,006,609.50
  5. Step 5: Solve for x
    x = 12,006,609.50/4,790.72
  6. Step 6: Final answer
    x = 2,506.22

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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.