Home / 4,921.23-7,382.58-1,800.51

Finding the Fourth Proportional to 4,921.23, 7,382.58 and 1,800.51

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Solution

The fourth proportional to 4,921.23, 7,382.58 and 1,800.51 is: 2,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.23 : 7,382.58 = 1,800.51 : x
  2. Step 2: Convert to fraction form
    4,921.23/7,382.58 = 1,800.51/x
  3. Step 3: Cross multiply
    4,921.23x = 7,382.58 × 1,800.51
  4. Step 4: Simplify right side
    4,921.23x = 13,292,409.12
  5. Step 5: Solve for x
    x = 13,292,409.12/4,921.23
  6. Step 6: Final answer
    x = 2,701.03

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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.