Home / 7,027.72-9,690.37-4,790.90

Finding the Fourth Proportional to 7,027.72, 9,690.37 and 4,790.90

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Solution

The fourth proportional to 7,027.72, 9,690.37 and 4,790.90 is: 6,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.72 : 9,690.37 = 4,790.90 : x
  2. Step 2: Convert to fraction form
    7,027.72/9,690.37 = 4,790.90/x
  3. Step 3: Cross multiply
    7,027.72x = 9,690.37 × 4,790.90
  4. Step 4: Simplify right side
    7,027.72x = 46,425,605.88
  5. Step 5: Solve for x
    x = 46,425,605.88/7,027.72
  6. Step 6: Final answer
    x = 6,606.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.