Home / 7,639.07-10,541.82-4,282.72

Finding the Fourth Proportional to 7,639.07, 10,541.82 and 4,282.72

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Solution

The fourth proportional to 7,639.07, 10,541.82 and 4,282.72 is: 5,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.07 : 10,541.82 = 4,282.72 : x
  2. Step 2: Convert to fraction form
    7,639.07/10,541.82 = 4,282.72/x
  3. Step 3: Cross multiply
    7,639.07x = 10,541.82 × 4,282.72
  4. Step 4: Simplify right side
    7,639.07x = 45,147,610.64
  5. Step 5: Solve for x
    x = 45,147,610.64/7,639.07
  6. Step 6: Final answer
    x = 5,910.09

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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.