Home / 5,175.77-7,756.63-2,832.23

Finding the Fourth Proportional to 5,175.77, 7,756.63 and 2,832.23

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Solution

The fourth proportional to 5,175.77, 7,756.63 and 2,832.23 is: 4,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.77 : 7,756.63 = 2,832.23 : x
  2. Step 2: Convert to fraction form
    5,175.77/7,756.63 = 2,832.23/x
  3. Step 3: Cross multiply
    5,175.77x = 7,756.63 × 2,832.23
  4. Step 4: Simplify right side
    5,175.77x = 21,968,572.50
  5. Step 5: Solve for x
    x = 21,968,572.50/5,175.77
  6. Step 6: Final answer
    x = 4,244.51

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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.