Home / 4,969.89-7,454.66-1,272.15

Finding the Fourth Proportional to 4,969.89, 7,454.66 and 1,272.15

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Solution

The fourth proportional to 4,969.89, 7,454.66 and 1,272.15 is: 1,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.89 : 7,454.66 = 1,272.15 : x
  2. Step 2: Convert to fraction form
    4,969.89/7,454.66 = 1,272.15/x
  3. Step 3: Cross multiply
    4,969.89x = 7,454.66 × 1,272.15
  4. Step 4: Simplify right side
    4,969.89x = 9,483,421.97
  5. Step 5: Solve for x
    x = 9,483,421.97/4,969.89
  6. Step 6: Final answer
    x = 1,908.18

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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.