Home / 9,154.41-13,731.39-2,580.45

Finding the Fourth Proportional to 9,154.41, 13,731.39 and 2,580.45

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Solution

The fourth proportional to 9,154.41, 13,731.39 and 2,580.45 is: 3,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.41 : 13,731.39 = 2,580.45 : x
  2. Step 2: Convert to fraction form
    9,154.41/13,731.39 = 2,580.45/x
  3. Step 3: Cross multiply
    9,154.41x = 13,731.39 × 2,580.45
  4. Step 4: Simplify right side
    9,154.41x = 35,433,165.33
  5. Step 5: Solve for x
    x = 35,433,165.33/9,154.41
  6. Step 6: Final answer
    x = 3,870.61

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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.