Home / 7,426.62-11,122.35-6,447.40

Finding the Fourth Proportional to 7,426.62, 11,122.35 and 6,447.40

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Solution

The fourth proportional to 7,426.62, 11,122.35 and 6,447.40 is: 9,655.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.62 : 11,122.35 = 6,447.40 : x
  2. Step 2: Convert to fraction form
    7,426.62/11,122.35 = 6,447.40/x
  3. Step 3: Cross multiply
    7,426.62x = 11,122.35 × 6,447.40
  4. Step 4: Simplify right side
    7,426.62x = 71,710,187.41
  5. Step 5: Solve for x
    x = 71,710,187.41/7,426.62
  6. Step 6: Final answer
    x = 9,655.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.