Home / 6,157.80-9,217.61-4,977.96

Finding the Fourth Proportional to 6,157.80, 9,217.61 and 4,977.96

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Solution

The fourth proportional to 6,157.80, 9,217.61 and 4,977.96 is: 7,451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,157.80 : 9,217.61 = 4,977.96 : x
  2. Step 2: Convert to fraction form
    6,157.80/9,217.61 = 4,977.96/x
  3. Step 3: Cross multiply
    6,157.80x = 9,217.61 × 4,977.96
  4. Step 4: Simplify right side
    6,157.80x = 45,884,853.09
  5. Step 5: Solve for x
    x = 45,884,853.09/6,157.80
  6. Step 6: Final answer
    x = 7,451.50

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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.