Home / 4,296.84-6,445.80-1,831.20

Finding the Fourth Proportional to 4,296.84, 6,445.80 and 1,831.20

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Solution

The fourth proportional to 4,296.84, 6,445.80 and 1,831.20 is: 2,747.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,296.84 : 6,445.80 = 1,831.20 : x
  2. Step 2: Convert to fraction form
    4,296.84/6,445.80 = 1,831.20/x
  3. Step 3: Cross multiply
    4,296.84x = 6,445.80 × 1,831.20
  4. Step 4: Simplify right side
    4,296.84x = 11,803,548.96
  5. Step 5: Solve for x
    x = 11,803,548.96/4,296.84
  6. Step 6: Final answer
    x = 2,747.03

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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.