Home / 4,123.35-6,186.16-1,782.34

Finding the Fourth Proportional to 4,123.35, 6,186.16 and 1,782.34

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Solution

The fourth proportional to 4,123.35, 6,186.16 and 1,782.34 is: 2,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.35 : 6,186.16 = 1,782.34 : x
  2. Step 2: Convert to fraction form
    4,123.35/6,186.16 = 1,782.34/x
  3. Step 3: Cross multiply
    4,123.35x = 6,186.16 × 1,782.34
  4. Step 4: Simplify right side
    4,123.35x = 11,025,831.50
  5. Step 5: Solve for x
    x = 11,025,831.50/4,123.35
  6. Step 6: Final answer
    x = 2,674.00

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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.