Home / 5,576.32-8,374.20-5,120.56

Finding the Fourth Proportional to 5,576.32, 8,374.20 and 5,120.56

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Solution

The fourth proportional to 5,576.32, 8,374.20 and 5,120.56 is: 7,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.32 : 8,374.20 = 5,120.56 : x
  2. Step 2: Convert to fraction form
    5,576.32/8,374.20 = 5,120.56/x
  3. Step 3: Cross multiply
    5,576.32x = 8,374.20 × 5,120.56
  4. Step 4: Simplify right side
    5,576.32x = 42,880,593.55
  5. Step 5: Solve for x
    x = 42,880,593.55/5,576.32
  6. Step 6: Final answer
    x = 7,689.77

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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.