Home / 7,861.34-10,845.51-5,028.06

Finding the Fourth Proportional to 7,861.34, 10,845.51 and 5,028.06

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Solution

The fourth proportional to 7,861.34, 10,845.51 and 5,028.06 is: 6,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.34 : 10,845.51 = 5,028.06 : x
  2. Step 2: Convert to fraction form
    7,861.34/10,845.51 = 5,028.06/x
  3. Step 3: Cross multiply
    7,861.34x = 10,845.51 × 5,028.06
  4. Step 4: Simplify right side
    7,861.34x = 54,531,875.01
  5. Step 5: Solve for x
    x = 54,531,875.01/7,861.34
  6. Step 6: Final answer
    x = 6,936.71

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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.