Home / 4,776.96-7,169.40-2,438.70

Finding the Fourth Proportional to 4,776.96, 7,169.40 and 2,438.70

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Solution

The fourth proportional to 4,776.96, 7,169.40 and 2,438.70 is: 3,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.96 : 7,169.40 = 2,438.70 : x
  2. Step 2: Convert to fraction form
    4,776.96/7,169.40 = 2,438.70/x
  3. Step 3: Cross multiply
    4,776.96x = 7,169.40 × 2,438.70
  4. Step 4: Simplify right side
    4,776.96x = 17,484,015.78
  5. Step 5: Solve for x
    x = 17,484,015.78/4,776.96
  6. Step 6: Final answer
    x = 3,660.07

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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.