Home / 7,926.96-10,938.31-4,389.28

Finding the Fourth Proportional to 7,926.96, 10,938.31 and 4,389.28

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Solution

The fourth proportional to 7,926.96, 10,938.31 and 4,389.28 is: 6,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.96 : 10,938.31 = 4,389.28 : x
  2. Step 2: Convert to fraction form
    7,926.96/10,938.31 = 4,389.28/x
  3. Step 3: Cross multiply
    7,926.96x = 10,938.31 × 4,389.28
  4. Step 4: Simplify right side
    7,926.96x = 48,011,305.32
  5. Step 5: Solve for x
    x = 48,011,305.32/7,926.96
  6. Step 6: Final answer
    x = 6,056.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.