Home / 4,842.02-7,262.96-1,920.30

Finding the Fourth Proportional to 4,842.02, 7,262.96 and 1,920.30

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Solution

The fourth proportional to 4,842.02, 7,262.96 and 1,920.30 is: 2,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.02 : 7,262.96 = 1,920.30 : x
  2. Step 2: Convert to fraction form
    4,842.02/7,262.96 = 1,920.30/x
  3. Step 3: Cross multiply
    4,842.02x = 7,262.96 × 1,920.30
  4. Step 4: Simplify right side
    4,842.02x = 13,947,062.09
  5. Step 5: Solve for x
    x = 13,947,062.09/4,842.02
  6. Step 6: Final answer
    x = 2,880.42

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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.