Home / 6,928.96-10,387.50-4,731.16

Finding the Fourth Proportional to 6,928.96, 10,387.50 and 4,731.16

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Solution

The fourth proportional to 6,928.96, 10,387.50 and 4,731.16 is: 7,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.96 : 10,387.50 = 4,731.16 : x
  2. Step 2: Convert to fraction form
    6,928.96/10,387.50 = 4,731.16/x
  3. Step 3: Cross multiply
    6,928.96x = 10,387.50 × 4,731.16
  4. Step 4: Simplify right side
    6,928.96x = 49,144,924.50
  5. Step 5: Solve for x
    x = 49,144,924.50/6,928.96
  6. Step 6: Final answer
    x = 7,092.68

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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.