Home / 7,576.75-10,455.60-4,219.71

Finding the Fourth Proportional to 7,576.75, 10,455.60 and 4,219.71

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Solution

The fourth proportional to 7,576.75, 10,455.60 and 4,219.71 is: 5,823.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.75 : 10,455.60 = 4,219.71 : x
  2. Step 2: Convert to fraction form
    7,576.75/10,455.60 = 4,219.71/x
  3. Step 3: Cross multiply
    7,576.75x = 10,455.60 × 4,219.71
  4. Step 4: Simplify right side
    7,576.75x = 44,119,599.88
  5. Step 5: Solve for x
    x = 44,119,599.88/7,576.75
  6. Step 6: Final answer
    x = 5,823.02

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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.