Home / 6,428.25-9,572.13-6,191.79

Finding the Fourth Proportional to 6,428.25, 9,572.13 and 6,191.79

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Solution

The fourth proportional to 6,428.25, 9,572.13 and 6,191.79 is: 9,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.25 : 9,572.13 = 6,191.79 : x
  2. Step 2: Convert to fraction form
    6,428.25/9,572.13 = 6,191.79/x
  3. Step 3: Cross multiply
    6,428.25x = 9,572.13 × 6,191.79
  4. Step 4: Simplify right side
    6,428.25x = 59,268,654.17
  5. Step 5: Solve for x
    x = 59,268,654.17/6,428.25
  6. Step 6: Final answer
    x = 9,220.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.