Home / 4,713.75-7,029.48-4,131.45

Finding the Fourth Proportional to 4,713.75, 7,029.48 and 4,131.45

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Solution

The fourth proportional to 4,713.75, 7,029.48 and 4,131.45 is: 6,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,713.75 : 7,029.48 = 4,131.45 : x
  2. Step 2: Convert to fraction form
    4,713.75/7,029.48 = 4,131.45/x
  3. Step 3: Cross multiply
    4,713.75x = 7,029.48 × 4,131.45
  4. Step 4: Simplify right side
    4,713.75x = 29,041,945.15
  5. Step 5: Solve for x
    x = 29,041,945.15/4,713.75
  6. Step 6: Final answer
    x = 6,161.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.