Home / 9,120.55-13,687.08-6,002.05

Finding the Fourth Proportional to 9,120.55, 13,687.08 and 6,002.05

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Solution

The fourth proportional to 9,120.55, 13,687.08 and 6,002.05 is: 9,007.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.55 : 13,687.08 = 6,002.05 : x
  2. Step 2: Convert to fraction form
    9,120.55/13,687.08 = 6,002.05/x
  3. Step 3: Cross multiply
    9,120.55x = 13,687.08 × 6,002.05
  4. Step 4: Simplify right side
    9,120.55x = 82,150,538.51
  5. Step 5: Solve for x
    x = 82,150,538.51/9,120.55
  6. Step 6: Final answer
    x = 9,007.19

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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.