Home / 7,776.06-10,732.62-5,123.70

Finding the Fourth Proportional to 7,776.06, 10,732.62 and 5,123.70

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Solution

The fourth proportional to 7,776.06, 10,732.62 and 5,123.70 is: 7,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.06 : 10,732.62 = 5,123.70 : x
  2. Step 2: Convert to fraction form
    7,776.06/10,732.62 = 5,123.70/x
  3. Step 3: Cross multiply
    7,776.06x = 10,732.62 × 5,123.70
  4. Step 4: Simplify right side
    7,776.06x = 54,990,725.09
  5. Step 5: Solve for x
    x = 54,990,725.09/7,776.06
  6. Step 6: Final answer
    x = 7,071.80

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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.