Home / 6,290.40-9,432.34-2,591.94

Finding the Fourth Proportional to 6,290.40, 9,432.34 and 2,591.94

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Solution

The fourth proportional to 6,290.40, 9,432.34 and 2,591.94 is: 3,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.40 : 9,432.34 = 2,591.94 : x
  2. Step 2: Convert to fraction form
    6,290.40/9,432.34 = 2,591.94/x
  3. Step 3: Cross multiply
    6,290.40x = 9,432.34 × 2,591.94
  4. Step 4: Simplify right side
    6,290.40x = 24,448,059.34
  5. Step 5: Solve for x
    x = 24,448,059.34/6,290.40
  6. Step 6: Final answer
    x = 3,886.57

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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.