Home / 4,187.16-6,276.42-1,412.91

Finding the Fourth Proportional to 4,187.16, 6,276.42 and 1,412.91

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Solution

The fourth proportional to 4,187.16, 6,276.42 and 1,412.91 is: 2,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.16 : 6,276.42 = 1,412.91 : x
  2. Step 2: Convert to fraction form
    4,187.16/6,276.42 = 1,412.91/x
  3. Step 3: Cross multiply
    4,187.16x = 6,276.42 × 1,412.91
  4. Step 4: Simplify right side
    4,187.16x = 8,868,016.58
  5. Step 5: Solve for x
    x = 8,868,016.58/4,187.16
  6. Step 6: Final answer
    x = 2,117.91

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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.