Home / 5,576.10-8,364.15-1,680.51

Finding the Fourth Proportional to 5,576.10, 8,364.15 and 1,680.51

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Solution

The fourth proportional to 5,576.10, 8,364.15 and 1,680.51 is: 2,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.10 : 8,364.15 = 1,680.51 : x
  2. Step 2: Convert to fraction form
    5,576.10/8,364.15 = 1,680.51/x
  3. Step 3: Cross multiply
    5,576.10x = 8,364.15 × 1,680.51
  4. Step 4: Simplify right side
    5,576.10x = 14,056,037.72
  5. Step 5: Solve for x
    x = 14,056,037.72/5,576.10
  6. Step 6: Final answer
    x = 2,520.77

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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.