Home / 4,835.40-7,243.62-4,320.60

Finding the Fourth Proportional to 4,835.40, 7,243.62 and 4,320.60

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Solution

The fourth proportional to 4,835.40, 7,243.62 and 4,320.60 is: 6,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,835.40 : 7,243.62 = 4,320.60 : x
  2. Step 2: Convert to fraction form
    4,835.40/7,243.62 = 4,320.60/x
  3. Step 3: Cross multiply
    4,835.40x = 7,243.62 × 4,320.60
  4. Step 4: Simplify right side
    4,835.40x = 31,296,784.57
  5. Step 5: Solve for x
    x = 31,296,784.57/4,835.40
  6. Step 6: Final answer
    x = 6,472.43

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1.5x scale

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.