Home / 4,712.16-7,070.54-1,939.67

Finding the Fourth Proportional to 4,712.16, 7,070.54 and 1,939.67

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Solution

The fourth proportional to 4,712.16, 7,070.54 and 1,939.67 is: 2,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.16 : 7,070.54 = 1,939.67 : x
  2. Step 2: Convert to fraction form
    4,712.16/7,070.54 = 1,939.67/x
  3. Step 3: Cross multiply
    4,712.16x = 7,070.54 × 1,939.67
  4. Step 4: Simplify right side
    4,712.16x = 13,714,469.27
  5. Step 5: Solve for x
    x = 13,714,469.27/4,712.16
  6. Step 6: Final answer
    x = 2,910.44

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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.