Home / 4,070.70-6,105.65-1,296.88

Finding the Fourth Proportional to 4,070.70, 6,105.65 and 1,296.88

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Solution

The fourth proportional to 4,070.70, 6,105.65 and 1,296.88 is: 1,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.70 : 6,105.65 = 1,296.88 : x
  2. Step 2: Convert to fraction form
    4,070.70/6,105.65 = 1,296.88/x
  3. Step 3: Cross multiply
    4,070.70x = 6,105.65 × 1,296.88
  4. Step 4: Simplify right side
    4,070.70x = 7,918,295.37
  5. Step 5: Solve for x
    x = 7,918,295.37/4,070.70
  6. Step 6: Final answer
    x = 1,945.19

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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.