Home / 4,530.80-6,255.96-3,137.60

Finding the Fourth Proportional to 4,530.80, 6,255.96 and 3,137.60

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Solution

The fourth proportional to 4,530.80, 6,255.96 and 3,137.60 is: 4,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,530.80 : 6,255.96 = 3,137.60 : x
  2. Step 2: Convert to fraction form
    4,530.80/6,255.96 = 3,137.60/x
  3. Step 3: Cross multiply
    4,530.80x = 6,255.96 × 3,137.60
  4. Step 4: Simplify right side
    4,530.80x = 19,628,700.10
  5. Step 5: Solve for x
    x = 19,628,700.10/4,530.80
  6. Step 6: Final answer
    x = 4,332.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.