Home / 7,784.76-11,670.60-5,316.12

Finding the Fourth Proportional to 7,784.76, 11,670.60 and 5,316.12

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Solution

The fourth proportional to 7,784.76, 11,670.60 and 5,316.12 is: 7,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.76 : 11,670.60 = 5,316.12 : x
  2. Step 2: Convert to fraction form
    7,784.76/11,670.60 = 5,316.12/x
  3. Step 3: Cross multiply
    7,784.76x = 11,670.60 × 5,316.12
  4. Step 4: Simplify right side
    7,784.76x = 62,042,310.07
  5. Step 5: Solve for x
    x = 62,042,310.07/7,784.76
  6. Step 6: Final answer
    x = 7,969.71

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1.5x scale

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.