Home / 5,031.99-6,945.89-3,119.27

Finding the Fourth Proportional to 5,031.99, 6,945.89 and 3,119.27

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Solution

The fourth proportional to 5,031.99, 6,945.89 and 3,119.27 is: 4,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.99 : 6,945.89 = 3,119.27 : x
  2. Step 2: Convert to fraction form
    5,031.99/6,945.89 = 3,119.27/x
  3. Step 3: Cross multiply
    5,031.99x = 6,945.89 × 3,119.27
  4. Step 4: Simplify right side
    5,031.99x = 21,666,055.97
  5. Step 5: Solve for x
    x = 21,666,055.97/5,031.99
  6. Step 6: Final answer
    x = 4,305.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.