Home / 6,591.31-9,889.56-2,890.96

Finding the Fourth Proportional to 6,591.31, 9,889.56 and 2,890.96

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Solution

The fourth proportional to 6,591.31, 9,889.56 and 2,890.96 is: 4,337.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,591.31 : 9,889.56 = 2,890.96 : x
  2. Step 2: Convert to fraction form
    6,591.31/9,889.56 = 2,890.96/x
  3. Step 3: Cross multiply
    6,591.31x = 9,889.56 × 2,890.96
  4. Step 4: Simplify right side
    6,591.31x = 28,590,297.65
  5. Step 5: Solve for x
    x = 28,590,297.65/6,591.31
  6. Step 6: Final answer
    x = 4,337.58

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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.