Home / 5,180.53-7,146.85-3,501.32

Finding the Fourth Proportional to 5,180.53, 7,146.85 and 3,501.32

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Solution

The fourth proportional to 5,180.53, 7,146.85 and 3,501.32 is: 4,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.53 : 7,146.85 = 3,501.32 : x
  2. Step 2: Convert to fraction form
    5,180.53/7,146.85 = 3,501.32/x
  3. Step 3: Cross multiply
    5,180.53x = 7,146.85 × 3,501.32
  4. Step 4: Simplify right side
    5,180.53x = 25,023,408.84
  5. Step 5: Solve for x
    x = 25,023,408.84/5,180.53
  6. Step 6: Final answer
    x = 4,830.28

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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.