Home / 5,431.07-7,501.05-3,659.60

Finding the Fourth Proportional to 5,431.07, 7,501.05 and 3,659.60

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Solution

The fourth proportional to 5,431.07, 7,501.05 and 3,659.60 is: 5,054.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.07 : 7,501.05 = 3,659.60 : x
  2. Step 2: Convert to fraction form
    5,431.07/7,501.05 = 3,659.60/x
  3. Step 3: Cross multiply
    5,431.07x = 7,501.05 × 3,659.60
  4. Step 4: Simplify right side
    5,431.07x = 27,450,861.33
  5. Step 5: Solve for x
    x = 27,450,861.33/5,431.07
  6. Step 6: Final answer
    x = 5,054.41

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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.