Home / 4,267.56-6,390.27-3,655.20

Finding the Fourth Proportional to 4,267.56, 6,390.27 and 3,655.20

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Solution

The fourth proportional to 4,267.56, 6,390.27 and 3,655.20 is: 5,473.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.56 : 6,390.27 = 3,655.20 : x
  2. Step 2: Convert to fraction form
    4,267.56/6,390.27 = 3,655.20/x
  3. Step 3: Cross multiply
    4,267.56x = 6,390.27 × 3,655.20
  4. Step 4: Simplify right side
    4,267.56x = 23,357,714.90
  5. Step 5: Solve for x
    x = 23,357,714.90/4,267.56
  6. Step 6: Final answer
    x = 5,473.32

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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.