Home / 5,189.72-7,777.65-2,846.19

Finding the Fourth Proportional to 5,189.72, 7,777.65 and 2,846.19

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Solution

The fourth proportional to 5,189.72, 7,777.65 and 2,846.19 is: 4,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.72 : 7,777.65 = 2,846.19 : x
  2. Step 2: Convert to fraction form
    5,189.72/7,777.65 = 2,846.19/x
  3. Step 3: Cross multiply
    5,189.72x = 7,777.65 × 2,846.19
  4. Step 4: Simplify right side
    5,189.72x = 22,136,669.65
  5. Step 5: Solve for x
    x = 22,136,669.65/5,189.72
  6. Step 6: Final answer
    x = 4,265.48

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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.