Home / 8,137.53-11,230.20-4,780.53

Finding the Fourth Proportional to 8,137.53, 11,230.20 and 4,780.53

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Solution

The fourth proportional to 8,137.53, 11,230.20 and 4,780.53 is: 6,597.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.53 : 11,230.20 = 4,780.53 : x
  2. Step 2: Convert to fraction form
    8,137.53/11,230.20 = 4,780.53/x
  3. Step 3: Cross multiply
    8,137.53x = 11,230.20 × 4,780.53
  4. Step 4: Simplify right side
    8,137.53x = 53,686,308.01
  5. Step 5: Solve for x
    x = 53,686,308.01/8,137.53
  6. Step 6: Final answer
    x = 6,597.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.