Home / 4,272.19-6,408.29-2,811.00

Finding the Fourth Proportional to 4,272.19, 6,408.29 and 2,811.00

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Solution

The fourth proportional to 4,272.19, 6,408.29 and 2,811.00 is: 4,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.19 : 6,408.29 = 2,811.00 : x
  2. Step 2: Convert to fraction form
    4,272.19/6,408.29 = 2,811.00/x
  3. Step 3: Cross multiply
    4,272.19x = 6,408.29 × 2,811.00
  4. Step 4: Simplify right side
    4,272.19x = 18,013,726.34
  5. Step 5: Solve for x
    x = 18,013,726.34/4,272.19
  6. Step 6: Final answer
    x = 4,216.51

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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.