Home / 5,615.10-8,427.45-2,499.90

Finding the Fourth Proportional to 5,615.10, 8,427.45 and 2,499.90

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Solution

The fourth proportional to 5,615.10, 8,427.45 and 2,499.90 is: 3,751.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.10 : 8,427.45 = 2,499.90 : x
  2. Step 2: Convert to fraction form
    5,615.10/8,427.45 = 2,499.90/x
  3. Step 3: Cross multiply
    5,615.10x = 8,427.45 × 2,499.90
  4. Step 4: Simplify right side
    5,615.10x = 21,067,782.26
  5. Step 5: Solve for x
    x = 21,067,782.26/5,615.10
  6. Step 6: Final answer
    x = 3,751.99

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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.