Home / 4,835.40-7,247.70-2,756.40

Finding the Fourth Proportional to 4,835.40, 7,247.70 and 2,756.40

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Solution

The fourth proportional to 4,835.40, 7,247.70 and 2,756.40 is: 4,131.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,835.40 : 7,247.70 = 2,756.40 : x
  2. Step 2: Convert to fraction form
    4,835.40/7,247.70 = 2,756.40/x
  3. Step 3: Cross multiply
    4,835.40x = 7,247.70 × 2,756.40
  4. Step 4: Simplify right side
    4,835.40x = 19,977,560.28
  5. Step 5: Solve for x
    x = 19,977,560.28/4,835.40
  6. Step 6: Final answer
    x = 4,131.52

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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.