Home / 4,810.80-7,216.20-2,973.60

Finding the Fourth Proportional to 4,810.80, 7,216.20 and 2,973.60

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Solution

The fourth proportional to 4,810.80, 7,216.20 and 2,973.60 is: 4,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.80 : 7,216.20 = 2,973.60 : x
  2. Step 2: Convert to fraction form
    4,810.80/7,216.20 = 2,973.60/x
  3. Step 3: Cross multiply
    4,810.80x = 7,216.20 × 2,973.60
  4. Step 4: Simplify right side
    4,810.80x = 21,458,092.32
  5. Step 5: Solve for x
    x = 21,458,092.32/4,810.80
  6. Step 6: Final answer
    x = 4,460.40

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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.