Home / 6,346.40-8,758.08-3,551.90

Finding the Fourth Proportional to 6,346.40, 8,758.08 and 3,551.90

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Solution

The fourth proportional to 6,346.40, 8,758.08 and 3,551.90 is: 4,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.40 : 8,758.08 = 3,551.90 : x
  2. Step 2: Convert to fraction form
    6,346.40/8,758.08 = 3,551.90/x
  3. Step 3: Cross multiply
    6,346.40x = 8,758.08 × 3,551.90
  4. Step 4: Simplify right side
    6,346.40x = 31,107,780.56
  5. Step 5: Solve for x
    x = 31,107,780.56/6,346.40
  6. Step 6: Final answer
    x = 4,901.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.