Home / 4,777.10-7,168.26-1,855.52

Finding the Fourth Proportional to 4,777.10, 7,168.26 and 1,855.52

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Solution

The fourth proportional to 4,777.10, 7,168.26 and 1,855.52 is: 2,784.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.10 : 7,168.26 = 1,855.52 : x
  2. Step 2: Convert to fraction form
    4,777.10/7,168.26 = 1,855.52/x
  3. Step 3: Cross multiply
    4,777.10x = 7,168.26 × 1,855.52
  4. Step 4: Simplify right side
    4,777.10x = 13,300,849.80
  5. Step 5: Solve for x
    x = 13,300,849.80/4,777.10
  6. Step 6: Final answer
    x = 2,784.29

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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.