Home / 4,750.45-6,520.57-4,207.48

Finding the Fourth Proportional to 4,750.45, 6,520.57 and 4,207.48

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Solution

The fourth proportional to 4,750.45, 6,520.57 and 4,207.48 is: 5,775.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.45 : 6,520.57 = 4,207.48 : x
  2. Step 2: Convert to fraction form
    4,750.45/6,520.57 = 4,207.48/x
  3. Step 3: Cross multiply
    4,750.45x = 6,520.57 × 4,207.48
  4. Step 4: Simplify right side
    4,750.45x = 27,435,141.04
  5. Step 5: Solve for x
    x = 27,435,141.04/4,750.45
  6. Step 6: Final answer
    x = 5,775.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.