Home / 4,740.48-7,108.48-2,431.36

Finding the Fourth Proportional to 4,740.48, 7,108.48 and 2,431.36

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Solution

The fourth proportional to 4,740.48, 7,108.48 and 2,431.36 is: 3,645.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.48 : 7,108.48 = 2,431.36 : x
  2. Step 2: Convert to fraction form
    4,740.48/7,108.48 = 2,431.36/x
  3. Step 3: Cross multiply
    4,740.48x = 7,108.48 × 2,431.36
  4. Step 4: Simplify right side
    4,740.48x = 17,283,273.93
  5. Step 5: Solve for x
    x = 17,283,273.93/4,740.48
  6. Step 6: Final answer
    x = 3,645.89

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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.