Home / 9,005.04-13,507.56-3,081.60

Finding the Fourth Proportional to 9,005.04, 13,507.56 and 3,081.60

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Solution

The fourth proportional to 9,005.04, 13,507.56 and 3,081.60 is: 4,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.04 : 13,507.56 = 3,081.60 : x
  2. Step 2: Convert to fraction form
    9,005.04/13,507.56 = 3,081.60/x
  3. Step 3: Cross multiply
    9,005.04x = 13,507.56 × 3,081.60
  4. Step 4: Simplify right side
    9,005.04x = 41,624,896.90
  5. Step 5: Solve for x
    x = 41,624,896.90/9,005.04
  6. Step 6: Final answer
    x = 4,622.40

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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.