Home / 7,977.35-11,008.73-4,620.33

Finding the Fourth Proportional to 7,977.35, 11,008.73 and 4,620.33

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Solution

The fourth proportional to 7,977.35, 11,008.73 and 4,620.33 is: 6,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.35 : 11,008.73 = 4,620.33 : x
  2. Step 2: Convert to fraction form
    7,977.35/11,008.73 = 4,620.33/x
  3. Step 3: Cross multiply
    7,977.35x = 11,008.73 × 4,620.33
  4. Step 4: Simplify right side
    7,977.35x = 50,863,977.03
  5. Step 5: Solve for x
    x = 50,863,977.03/7,977.35
  6. Step 6: Final answer
    x = 6,376.05

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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.