Home / 7,576.73-10,455.75-4,219.78

Finding the Fourth Proportional to 7,576.73, 10,455.75 and 4,219.78

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Solution

The fourth proportional to 7,576.73, 10,455.75 and 4,219.78 is: 5,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.73 : 10,455.75 = 4,219.78 : x
  2. Step 2: Convert to fraction form
    7,576.73/10,455.75 = 4,219.78/x
  3. Step 3: Cross multiply
    7,576.73x = 10,455.75 × 4,219.78
  4. Step 4: Simplify right side
    7,576.73x = 44,120,964.74
  5. Step 5: Solve for x
    x = 44,120,964.74/7,576.73
  6. Step 6: Final answer
    x = 5,823.22

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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.