Home / 4,790.57-7,181.60-1,870.92

Finding the Fourth Proportional to 4,790.57, 7,181.60 and 1,870.92

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Solution

The fourth proportional to 4,790.57, 7,181.60 and 1,870.92 is: 2,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.57 : 7,181.60 = 1,870.92 : x
  2. Step 2: Convert to fraction form
    4,790.57/7,181.60 = 1,870.92/x
  3. Step 3: Cross multiply
    4,790.57x = 7,181.60 × 1,870.92
  4. Step 4: Simplify right side
    4,790.57x = 13,436,189.72
  5. Step 5: Solve for x
    x = 13,436,189.72/4,790.57
  6. Step 6: Final answer
    x = 2,804.72

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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.