Home / 5,099.51-7,040.75-3,188.25

Finding the Fourth Proportional to 5,099.51, 7,040.75 and 3,188.25

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Solution

The fourth proportional to 5,099.51, 7,040.75 and 3,188.25 is: 4,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.51 : 7,040.75 = 3,188.25 : x
  2. Step 2: Convert to fraction form
    5,099.51/7,040.75 = 3,188.25/x
  3. Step 3: Cross multiply
    5,099.51x = 7,040.75 × 3,188.25
  4. Step 4: Simplify right side
    5,099.51x = 22,447,655.25
  5. Step 5: Solve for x
    x = 22,447,655.25/5,099.51
  6. Step 6: Final answer
    x = 4,401.92

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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.