Home / 7,945.36-11,918.35-2,398.70

Finding the Fourth Proportional to 7,945.36, 11,918.35 and 2,398.70

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Solution

The fourth proportional to 7,945.36, 11,918.35 and 2,398.70 is: 3,598.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.36 : 11,918.35 = 2,398.70 : x
  2. Step 2: Convert to fraction form
    7,945.36/11,918.35 = 2,398.70/x
  3. Step 3: Cross multiply
    7,945.36x = 11,918.35 × 2,398.70
  4. Step 4: Simplify right side
    7,945.36x = 28,588,578.94
  5. Step 5: Solve for x
    x = 28,588,578.94/7,945.36
  6. Step 6: Final answer
    x = 3,598.15

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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.