Home / 7,608.64-11,406.99-5,112.36

Finding the Fourth Proportional to 7,608.64, 11,406.99 and 5,112.36

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Solution

The fourth proportional to 7,608.64, 11,406.99 and 5,112.36 is: 7,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.64 : 11,406.99 = 5,112.36 : x
  2. Step 2: Convert to fraction form
    7,608.64/11,406.99 = 5,112.36/x
  3. Step 3: Cross multiply
    7,608.64x = 11,406.99 × 5,112.36
  4. Step 4: Simplify right side
    7,608.64x = 58,316,639.40
  5. Step 5: Solve for x
    x = 58,316,639.40/7,608.64
  6. Step 6: Final answer
    x = 7,664.53

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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.