Home / 6,381.96-9,570.02-3,419.93

Finding the Fourth Proportional to 6,381.96, 9,570.02 and 3,419.93

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Solution

The fourth proportional to 6,381.96, 9,570.02 and 3,419.93 is: 5,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.96 : 9,570.02 = 3,419.93 : x
  2. Step 2: Convert to fraction form
    6,381.96/9,570.02 = 3,419.93/x
  3. Step 3: Cross multiply
    6,381.96x = 9,570.02 × 3,419.93
  4. Step 4: Simplify right side
    6,381.96x = 32,728,805.32
  5. Step 5: Solve for x
    x = 32,728,805.32/6,381.96
  6. Step 6: Final answer
    x = 5,128.33

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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.