Home / 6,731.57-9,288.16-4,078.46

Finding the Fourth Proportional to 6,731.57, 9,288.16 and 4,078.46

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Solution

The fourth proportional to 6,731.57, 9,288.16 and 4,078.46 is: 5,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.57 : 9,288.16 = 4,078.46 : x
  2. Step 2: Convert to fraction form
    6,731.57/9,288.16 = 4,078.46/x
  3. Step 3: Cross multiply
    6,731.57x = 9,288.16 × 4,078.46
  4. Step 4: Simplify right side
    6,731.57x = 37,881,389.03
  5. Step 5: Solve for x
    x = 37,881,389.03/6,731.57
  6. Step 6: Final answer
    x = 5,627.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.