Home / 5,720.47-7,894.23-3,202.57

Finding the Fourth Proportional to 5,720.47, 7,894.23 and 3,202.57

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Solution

The fourth proportional to 5,720.47, 7,894.23 and 3,202.57 is: 4,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.47 : 7,894.23 = 3,202.57 : x
  2. Step 2: Convert to fraction form
    5,720.47/7,894.23 = 3,202.57/x
  3. Step 3: Cross multiply
    5,720.47x = 7,894.23 × 3,202.57
  4. Step 4: Simplify right side
    5,720.47x = 25,281,824.17
  5. Step 5: Solve for x
    x = 25,281,824.17/5,720.47
  6. Step 6: Final answer
    x = 4,419.54

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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.