Home / 9,579.93-13,221.87-5,600.26

Finding the Fourth Proportional to 9,579.93, 13,221.87 and 5,600.26

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Solution

The fourth proportional to 9,579.93, 13,221.87 and 5,600.26 is: 7,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.93 : 13,221.87 = 5,600.26 : x
  2. Step 2: Convert to fraction form
    9,579.93/13,221.87 = 5,600.26/x
  3. Step 3: Cross multiply
    9,579.93x = 13,221.87 × 5,600.26
  4. Step 4: Simplify right side
    9,579.93x = 74,045,909.69
  5. Step 5: Solve for x
    x = 74,045,909.69/9,579.93
  6. Step 6: Final answer
    x = 7,729.27

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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.