Home / 4,991.13-7,486.29-1,293.48

Finding the Fourth Proportional to 4,991.13, 7,486.29 and 1,293.48

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Solution

The fourth proportional to 4,991.13, 7,486.29 and 1,293.48 is: 1,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.13 : 7,486.29 = 1,293.48 : x
  2. Step 2: Convert to fraction form
    4,991.13/7,486.29 = 1,293.48/x
  3. Step 3: Cross multiply
    4,991.13x = 7,486.29 × 1,293.48
  4. Step 4: Simplify right side
    4,991.13x = 9,683,366.39
  5. Step 5: Solve for x
    x = 9,683,366.39/4,991.13
  6. Step 6: Final answer
    x = 1,940.12

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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.