Home / 6,345.96-9,521.67-3,420.84

Finding the Fourth Proportional to 6,345.96, 9,521.67 and 3,420.84

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Solution

The fourth proportional to 6,345.96, 9,521.67 and 3,420.84 is: 5,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.96 : 9,521.67 = 3,420.84 : x
  2. Step 2: Convert to fraction form
    6,345.96/9,521.67 = 3,420.84/x
  3. Step 3: Cross multiply
    6,345.96x = 9,521.67 × 3,420.84
  4. Step 4: Simplify right side
    6,345.96x = 32,572,109.60
  5. Step 5: Solve for x
    x = 32,572,109.60/6,345.96
  6. Step 6: Final answer
    x = 5,132.73

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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.