Home / 4,921.02-7,382.79-1,458.18

Finding the Fourth Proportional to 4,921.02, 7,382.79 and 1,458.18

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Solution

The fourth proportional to 4,921.02, 7,382.79 and 1,458.18 is: 2,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.02 : 7,382.79 = 1,458.18 : x
  2. Step 2: Convert to fraction form
    4,921.02/7,382.79 = 1,458.18/x
  3. Step 3: Cross multiply
    4,921.02x = 7,382.79 × 1,458.18
  4. Step 4: Simplify right side
    4,921.02x = 10,765,436.72
  5. Step 5: Solve for x
    x = 10,765,436.72/4,921.02
  6. Step 6: Final answer
    x = 2,187.64

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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.