Home / 6,420.51-9,632.24-2,722.88

Finding the Fourth Proportional to 6,420.51, 9,632.24 and 2,722.88

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Solution

The fourth proportional to 6,420.51, 9,632.24 and 2,722.88 is: 4,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.51 : 9,632.24 = 2,722.88 : x
  2. Step 2: Convert to fraction form
    6,420.51/9,632.24 = 2,722.88/x
  3. Step 3: Cross multiply
    6,420.51x = 9,632.24 × 2,722.88
  4. Step 4: Simplify right side
    6,420.51x = 26,227,464.54
  5. Step 5: Solve for x
    x = 26,227,464.54/6,420.51
  6. Step 6: Final answer
    x = 4,084.95

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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.