Home / 5,370.89-8,059.53-2,905.65

Finding the Fourth Proportional to 5,370.89, 8,059.53 and 2,905.65

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Solution

The fourth proportional to 5,370.89, 8,059.53 and 2,905.65 is: 4,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.89 : 8,059.53 = 2,905.65 : x
  2. Step 2: Convert to fraction form
    5,370.89/8,059.53 = 2,905.65/x
  3. Step 3: Cross multiply
    5,370.89x = 8,059.53 × 2,905.65
  4. Step 4: Simplify right side
    5,370.89x = 23,418,173.34
  5. Step 5: Solve for x
    x = 23,418,173.34/5,370.89
  6. Step 6: Final answer
    x = 4,360.21

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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.