Home / 4,380.81-6,570.68-1,783.77

Finding the Fourth Proportional to 4,380.81, 6,570.68 and 1,783.77

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Solution

The fourth proportional to 4,380.81, 6,570.68 and 1,783.77 is: 2,675.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.81 : 6,570.68 = 1,783.77 : x
  2. Step 2: Convert to fraction form
    4,380.81/6,570.68 = 1,783.77/x
  3. Step 3: Cross multiply
    4,380.81x = 6,570.68 × 1,783.77
  4. Step 4: Simplify right side
    4,380.81x = 11,720,572.94
  5. Step 5: Solve for x
    x = 11,720,572.94/4,380.81
  6. Step 6: Final answer
    x = 2,675.44

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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.