Home / 8,693.70-13,037.46-3,145.60

Finding the Fourth Proportional to 8,693.70, 13,037.46 and 3,145.60

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Solution

The fourth proportional to 8,693.70, 13,037.46 and 3,145.60 is: 4,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.70 : 13,037.46 = 3,145.60 : x
  2. Step 2: Convert to fraction form
    8,693.70/13,037.46 = 3,145.60/x
  3. Step 3: Cross multiply
    8,693.70x = 13,037.46 × 3,145.60
  4. Step 4: Simplify right side
    8,693.70x = 41,010,638.68
  5. Step 5: Solve for x
    x = 41,010,638.68/8,693.70
  6. Step 6: Final answer
    x = 4,717.28

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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.