Home / 4,276.10-6,415.05-1,809.65

Finding the Fourth Proportional to 4,276.10, 6,415.05 and 1,809.65

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Solution

The fourth proportional to 4,276.10, 6,415.05 and 1,809.65 is: 2,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.10 : 6,415.05 = 1,809.65 : x
  2. Step 2: Convert to fraction form
    4,276.10/6,415.05 = 1,809.65/x
  3. Step 3: Cross multiply
    4,276.10x = 6,415.05 × 1,809.65
  4. Step 4: Simplify right side
    4,276.10x = 11,608,995.23
  5. Step 5: Solve for x
    x = 11,608,995.23/4,276.10
  6. Step 6: Final answer
    x = 2,714.86

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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.