Home / 4,266.36-6,405.48-2,187.81

Finding the Fourth Proportional to 4,266.36, 6,405.48 and 2,187.81

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Solution

The fourth proportional to 4,266.36, 6,405.48 and 2,187.81 is: 3,284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.36 : 6,405.48 = 2,187.81 : x
  2. Step 2: Convert to fraction form
    4,266.36/6,405.48 = 2,187.81/x
  3. Step 3: Cross multiply
    4,266.36x = 6,405.48 × 2,187.81
  4. Step 4: Simplify right side
    4,266.36x = 14,013,973.20
  5. Step 5: Solve for x
    x = 14,013,973.20/4,266.36
  6. Step 6: Final answer
    x = 3,284.76

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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.