Home / 7,823.59-11,735.28-1,900.53

Finding the Fourth Proportional to 7,823.59, 11,735.28 and 1,900.53

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Solution

The fourth proportional to 7,823.59, 11,735.28 and 1,900.53 is: 2,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.59 : 11,735.28 = 1,900.53 : x
  2. Step 2: Convert to fraction form
    7,823.59/11,735.28 = 1,900.53/x
  3. Step 3: Cross multiply
    7,823.59x = 11,735.28 × 1,900.53
  4. Step 4: Simplify right side
    7,823.59x = 22,303,197.77
  5. Step 5: Solve for x
    x = 22,303,197.77/7,823.59
  6. Step 6: Final answer
    x = 2,850.76

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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.