Home / 4,578.20-6,865.70-1,615.88

Finding the Fourth Proportional to 4,578.20, 6,865.70 and 1,615.88

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Solution

The fourth proportional to 4,578.20, 6,865.70 and 1,615.88 is: 2,423.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.20 : 6,865.70 = 1,615.88 : x
  2. Step 2: Convert to fraction form
    4,578.20/6,865.70 = 1,615.88/x
  3. Step 3: Cross multiply
    4,578.20x = 6,865.70 × 1,615.88
  4. Step 4: Simplify right side
    4,578.20x = 11,094,147.32
  5. Step 5: Solve for x
    x = 11,094,147.32/4,578.20
  6. Step 6: Final answer
    x = 2,423.26

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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.