Home / 4,080.32-6,108.18-2,689.30

Finding the Fourth Proportional to 4,080.32, 6,108.18 and 2,689.30

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Solution

The fourth proportional to 4,080.32, 6,108.18 and 2,689.30 is: 4,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.32 : 6,108.18 = 2,689.30 : x
  2. Step 2: Convert to fraction form
    4,080.32/6,108.18 = 2,689.30/x
  3. Step 3: Cross multiply
    4,080.32x = 6,108.18 × 2,689.30
  4. Step 4: Simplify right side
    4,080.32x = 16,426,748.72
  5. Step 5: Solve for x
    x = 16,426,748.72/4,080.32
  6. Step 6: Final answer
    x = 4,025.84

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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.