Home / 6,285.20-8,672.06-3,632.45

Finding the Fourth Proportional to 6,285.20, 8,672.06 and 3,632.45

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Solution

The fourth proportional to 6,285.20, 8,672.06 and 3,632.45 is: 5,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.20 : 8,672.06 = 3,632.45 : x
  2. Step 2: Convert to fraction form
    6,285.20/8,672.06 = 3,632.45/x
  3. Step 3: Cross multiply
    6,285.20x = 8,672.06 × 3,632.45
  4. Step 4: Simplify right side
    6,285.20x = 31,500,790.07
  5. Step 5: Solve for x
    x = 31,500,790.07/6,285.20
  6. Step 6: Final answer
    x = 5,011.90

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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.