Home / 9,120.55-13,675.35-3,567.28

Finding the Fourth Proportional to 9,120.55, 13,675.35 and 3,567.28

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Solution

The fourth proportional to 9,120.55, 13,675.35 and 3,567.28 is: 5,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.55 : 13,675.35 = 3,567.28 : x
  2. Step 2: Convert to fraction form
    9,120.55/13,675.35 = 3,567.28/x
  3. Step 3: Cross multiply
    9,120.55x = 13,675.35 × 3,567.28
  4. Step 4: Simplify right side
    9,120.55x = 48,783,734.17
  5. Step 5: Solve for x
    x = 48,783,734.17/9,120.55
  6. Step 6: Final answer
    x = 5,348.77

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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.