Home / 6,999.45-9,656.09-4,608.78

Finding the Fourth Proportional to 6,999.45, 9,656.09 and 4,608.78

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Solution

The fourth proportional to 6,999.45, 9,656.09 and 4,608.78 is: 6,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.45 : 9,656.09 = 4,608.78 : x
  2. Step 2: Convert to fraction form
    6,999.45/9,656.09 = 4,608.78/x
  3. Step 3: Cross multiply
    6,999.45x = 9,656.09 × 4,608.78
  4. Step 4: Simplify right side
    6,999.45x = 44,502,771.43
  5. Step 5: Solve for x
    x = 44,502,771.43/6,999.45
  6. Step 6: Final answer
    x = 6,358.04

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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.