Home / 5,256.96-7,876.80-3,528.96

Finding the Fourth Proportional to 5,256.96, 7,876.80 and 3,528.96

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Solution

The fourth proportional to 5,256.96, 7,876.80 and 3,528.96 is: 5,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.96 : 7,876.80 = 3,528.96 : x
  2. Step 2: Convert to fraction form
    5,256.96/7,876.80 = 3,528.96/x
  3. Step 3: Cross multiply
    5,256.96x = 7,876.80 × 3,528.96
  4. Step 4: Simplify right side
    5,256.96x = 27,796,912.13
  5. Step 5: Solve for x
    x = 27,796,912.13/5,256.96
  6. Step 6: Final answer
    x = 5,287.64

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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.