Home / 4,187.58-6,281.34-1,266.12

Finding the Fourth Proportional to 4,187.58, 6,281.34 and 1,266.12

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Solution

The fourth proportional to 4,187.58, 6,281.34 and 1,266.12 is: 1,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.58 : 6,281.34 = 1,266.12 : x
  2. Step 2: Convert to fraction form
    4,187.58/6,281.34 = 1,266.12/x
  3. Step 3: Cross multiply
    4,187.58x = 6,281.34 × 1,266.12
  4. Step 4: Simplify right side
    4,187.58x = 7,952,930.20
  5. Step 5: Solve for x
    x = 7,952,930.20/4,187.58
  6. Step 6: Final answer
    x = 1,899.17

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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.