Home / 5,029.72-7,534.98-2,831.80

Finding the Fourth Proportional to 5,029.72, 7,534.98 and 2,831.80

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Solution

The fourth proportional to 5,029.72, 7,534.98 and 2,831.80 is: 4,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.72 : 7,534.98 = 2,831.80 : x
  2. Step 2: Convert to fraction form
    5,029.72/7,534.98 = 2,831.80/x
  3. Step 3: Cross multiply
    5,029.72x = 7,534.98 × 2,831.80
  4. Step 4: Simplify right side
    5,029.72x = 21,337,556.36
  5. Step 5: Solve for x
    x = 21,337,556.36/5,029.72
  6. Step 6: Final answer
    x = 4,242.30

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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.