Home / 4,290.22-6,432.87-2,286.45

Finding the Fourth Proportional to 4,290.22, 6,432.87 and 2,286.45

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Solution

The fourth proportional to 4,290.22, 6,432.87 and 2,286.45 is: 3,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.22 : 6,432.87 = 2,286.45 : x
  2. Step 2: Convert to fraction form
    4,290.22/6,432.87 = 2,286.45/x
  3. Step 3: Cross multiply
    4,290.22x = 6,432.87 × 2,286.45
  4. Step 4: Simplify right side
    4,290.22x = 14,708,423.55
  5. Step 5: Solve for x
    x = 14,708,423.55/4,290.22
  6. Step 6: Final answer
    x = 3,428.36

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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.