Home / 5,748.40-8,617.90-2,975.87

Finding the Fourth Proportional to 5,748.40, 8,617.90 and 2,975.87

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Solution

The fourth proportional to 5,748.40, 8,617.90 and 2,975.87 is: 4,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.40 : 8,617.90 = 2,975.87 : x
  2. Step 2: Convert to fraction form
    5,748.40/8,617.90 = 2,975.87/x
  3. Step 3: Cross multiply
    5,748.40x = 8,617.90 × 2,975.87
  4. Step 4: Simplify right side
    5,748.40x = 25,645,769.76
  5. Step 5: Solve for x
    x = 25,645,769.76/5,748.40
  6. Step 6: Final answer
    x = 4,461.37

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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.