Home / 5,201.64-7,180.50-3,430.20

Finding the Fourth Proportional to 5,201.64, 7,180.50 and 3,430.20

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Solution

The fourth proportional to 5,201.64, 7,180.50 and 3,430.20 is: 4,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.64 : 7,180.50 = 3,430.20 : x
  2. Step 2: Convert to fraction form
    5,201.64/7,180.50 = 3,430.20/x
  3. Step 3: Cross multiply
    5,201.64x = 7,180.50 × 3,430.20
  4. Step 4: Simplify right side
    5,201.64x = 24,630,551.10
  5. Step 5: Solve for x
    x = 24,630,551.10/5,201.64
  6. Step 6: Final answer
    x = 4,735.15

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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.