Home / 4,456.60-6,145.60-2,687.16

Finding the Fourth Proportional to 4,456.60, 6,145.60 and 2,687.16

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Solution

The fourth proportional to 4,456.60, 6,145.60 and 2,687.16 is: 3,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.60 : 6,145.60 = 2,687.16 : x
  2. Step 2: Convert to fraction form
    4,456.60/6,145.60 = 2,687.16/x
  3. Step 3: Cross multiply
    4,456.60x = 6,145.60 × 2,687.16
  4. Step 4: Simplify right side
    4,456.60x = 16,514,210.50
  5. Step 5: Solve for x
    x = 16,514,210.50/4,456.60
  6. Step 6: Final answer
    x = 3,705.56

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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.