Home / 7,939.49-10,931.54-6,741.96

Finding the Fourth Proportional to 7,939.49, 10,931.54 and 6,741.96

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Solution

The fourth proportional to 7,939.49, 10,931.54 and 6,741.96 is: 9,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.49 : 10,931.54 = 6,741.96 : x
  2. Step 2: Convert to fraction form
    7,939.49/10,931.54 = 6,741.96/x
  3. Step 3: Cross multiply
    7,939.49x = 10,931.54 × 6,741.96
  4. Step 4: Simplify right side
    7,939.49x = 73,700,022.27
  5. Step 5: Solve for x
    x = 73,700,022.27/7,939.49
  6. Step 6: Final answer
    x = 9,282.72

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1.5x scale

Why These Related Problems?

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