Home / 6,420.96-9,632.25-2,036.85

Finding the Fourth Proportional to 6,420.96, 9,632.25 and 2,036.85

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Solution

The fourth proportional to 6,420.96, 9,632.25 and 2,036.85 is: 3,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.96 : 9,632.25 = 2,036.85 : x
  2. Step 2: Convert to fraction form
    6,420.96/9,632.25 = 2,036.85/x
  3. Step 3: Cross multiply
    6,420.96x = 9,632.25 × 2,036.85
  4. Step 4: Simplify right side
    6,420.96x = 19,619,448.41
  5. Step 5: Solve for x
    x = 19,619,448.41/6,420.96
  6. Step 6: Final answer
    x = 3,055.53

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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.