Home / 4,428.24-6,645.36-1,831.16

Finding the Fourth Proportional to 4,428.24, 6,645.36 and 1,831.16

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Solution

The fourth proportional to 4,428.24, 6,645.36 and 1,831.16 is: 2,747.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.24 : 6,645.36 = 1,831.16 : x
  2. Step 2: Convert to fraction form
    4,428.24/6,645.36 = 1,831.16/x
  3. Step 3: Cross multiply
    4,428.24x = 6,645.36 × 1,831.16
  4. Step 4: Simplify right side
    4,428.24x = 12,168,717.42
  5. Step 5: Solve for x
    x = 12,168,717.42/4,428.24
  6. Step 6: Final answer
    x = 2,747.98

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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.