Home / 5,183.16-7,775.40-1,897.80

Finding the Fourth Proportional to 5,183.16, 7,775.40 and 1,897.80

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Solution

The fourth proportional to 5,183.16, 7,775.40 and 1,897.80 is: 2,846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.16 : 7,775.40 = 1,897.80 : x
  2. Step 2: Convert to fraction form
    5,183.16/7,775.40 = 1,897.80/x
  3. Step 3: Cross multiply
    5,183.16x = 7,775.40 × 1,897.80
  4. Step 4: Simplify right side
    5,183.16x = 14,756,154.12
  5. Step 5: Solve for x
    x = 14,756,154.12/5,183.16
  6. Step 6: Final answer
    x = 2,846.94

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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.