Home / 4,803.20-7,203.52-1,339.84

Finding the Fourth Proportional to 4,803.20, 7,203.52 and 1,339.84

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Solution

The fourth proportional to 4,803.20, 7,203.52 and 1,339.84 is: 2,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.20 : 7,203.52 = 1,339.84 : x
  2. Step 2: Convert to fraction form
    4,803.20/7,203.52 = 1,339.84/x
  3. Step 3: Cross multiply
    4,803.20x = 7,203.52 × 1,339.84
  4. Step 4: Simplify right side
    4,803.20x = 9,651,564.24
  5. Step 5: Solve for x
    x = 9,651,564.24/4,803.20
  6. Step 6: Final answer
    x = 2,009.40

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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.