Home / 6,143.07-9,214.56-1,983.45

Finding the Fourth Proportional to 6,143.07, 9,214.56 and 1,983.45

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Solution

The fourth proportional to 6,143.07, 9,214.56 and 1,983.45 is: 2,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.07 : 9,214.56 = 1,983.45 : x
  2. Step 2: Convert to fraction form
    6,143.07/9,214.56 = 1,983.45/x
  3. Step 3: Cross multiply
    6,143.07x = 9,214.56 × 1,983.45
  4. Step 4: Simplify right side
    6,143.07x = 18,276,619.03
  5. Step 5: Solve for x
    x = 18,276,619.03/6,143.07
  6. Step 6: Final answer
    x = 2,975.16

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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.