Home / 5,077.22-7,616.34-1,790.16

Finding the Fourth Proportional to 5,077.22, 7,616.34 and 1,790.16

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Solution

The fourth proportional to 5,077.22, 7,616.34 and 1,790.16 is: 2,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.22 : 7,616.34 = 1,790.16 : x
  2. Step 2: Convert to fraction form
    5,077.22/7,616.34 = 1,790.16/x
  3. Step 3: Cross multiply
    5,077.22x = 7,616.34 × 1,790.16
  4. Step 4: Simplify right side
    5,077.22x = 13,634,467.21
  5. Step 5: Solve for x
    x = 13,634,467.21/5,077.22
  6. Step 6: Final answer
    x = 2,685.42

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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.