Home / 4,738.12-7,109.40-2,431.24

Finding the Fourth Proportional to 4,738.12, 7,109.40 and 2,431.24

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Solution

The fourth proportional to 4,738.12, 7,109.40 and 2,431.24 is: 3,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.12 : 7,109.40 = 2,431.24 : x
  2. Step 2: Convert to fraction form
    4,738.12/7,109.40 = 2,431.24/x
  3. Step 3: Cross multiply
    4,738.12x = 7,109.40 × 2,431.24
  4. Step 4: Simplify right side
    4,738.12x = 17,284,657.66
  5. Step 5: Solve for x
    x = 17,284,657.66/4,738.12
  6. Step 6: Final answer
    x = 3,648.00

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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.