Home / 7,945.58-11,918.46-2,398.98

Finding the Fourth Proportional to 7,945.58, 11,918.46 and 2,398.98

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Solution

The fourth proportional to 7,945.58, 11,918.46 and 2,398.98 is: 3,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.58 : 11,918.46 = 2,398.98 : x
  2. Step 2: Convert to fraction form
    7,945.58/11,918.46 = 2,398.98/x
  3. Step 3: Cross multiply
    7,945.58x = 11,918.46 × 2,398.98
  4. Step 4: Simplify right side
    7,945.58x = 28,592,147.17
  5. Step 5: Solve for x
    x = 28,592,147.17/7,945.58
  6. Step 6: Final answer
    x = 3,598.50

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Double scale
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Similar ratio
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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.