Home / 4,213.90-5,815.29-2,325.52

Finding the Fourth Proportional to 4,213.90, 5,815.29 and 2,325.52

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Solution

The fourth proportional to 4,213.90, 5,815.29 and 2,325.52 is: 3,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.90 : 5,815.29 = 2,325.52 : x
  2. Step 2: Convert to fraction form
    4,213.90/5,815.29 = 2,325.52/x
  3. Step 3: Cross multiply
    4,213.90x = 5,815.29 × 2,325.52
  4. Step 4: Simplify right side
    4,213.90x = 13,523,573.20
  5. Step 5: Solve for x
    x = 13,523,573.20/4,213.90
  6. Step 6: Final answer
    x = 3,209.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.