Home / 6,284.48-8,672.40-3,632.72

Finding the Fourth Proportional to 6,284.48, 8,672.40 and 3,632.72

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Solution

The fourth proportional to 6,284.48, 8,672.40 and 3,632.72 is: 5,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,284.48 : 8,672.40 = 3,632.72 : x
  2. Step 2: Convert to fraction form
    6,284.48/8,672.40 = 3,632.72/x
  3. Step 3: Cross multiply
    6,284.48x = 8,672.40 × 3,632.72
  4. Step 4: Simplify right side
    6,284.48x = 31,504,400.93
  5. Step 5: Solve for x
    x = 31,504,400.93/6,284.48
  6. Step 6: Final answer
    x = 5,013.05

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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.