Home / 8,742.20-13,113.30-4,062.20

Finding the Fourth Proportional to 8,742.20, 13,113.30 and 4,062.20

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Solution

The fourth proportional to 8,742.20, 13,113.30 and 4,062.20 is: 6,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.20 : 13,113.30 = 4,062.20 : x
  2. Step 2: Convert to fraction form
    8,742.20/13,113.30 = 4,062.20/x
  3. Step 3: Cross multiply
    8,742.20x = 13,113.30 × 4,062.20
  4. Step 4: Simplify right side
    8,742.20x = 53,268,847.26
  5. Step 5: Solve for x
    x = 53,268,847.26/8,742.20
  6. Step 6: Final answer
    x = 6,093.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.