Home / 4,380.80-6,567.36-1,605.44

Finding the Fourth Proportional to 4,380.80, 6,567.36 and 1,605.44

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Solution

The fourth proportional to 4,380.80, 6,567.36 and 1,605.44 is: 2,406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.80 : 6,567.36 = 1,605.44 : x
  2. Step 2: Convert to fraction form
    4,380.80/6,567.36 = 1,605.44/x
  3. Step 3: Cross multiply
    4,380.80x = 6,567.36 × 1,605.44
  4. Step 4: Simplify right side
    4,380.80x = 10,543,502.44
  5. Step 5: Solve for x
    x = 10,543,502.44/4,380.80
  6. Step 6: Final answer
    x = 2,406.75

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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.