Home / 5,010.21-7,515.33-1,889.38

Finding the Fourth Proportional to 5,010.21, 7,515.33 and 1,889.38

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Solution

The fourth proportional to 5,010.21, 7,515.33 and 1,889.38 is: 2,834.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.21 : 7,515.33 = 1,889.38 : x
  2. Step 2: Convert to fraction form
    5,010.21/7,515.33 = 1,889.38/x
  3. Step 3: Cross multiply
    5,010.21x = 7,515.33 × 1,889.38
  4. Step 4: Simplify right side
    5,010.21x = 14,199,314.20
  5. Step 5: Solve for x
    x = 14,199,314.20/5,010.21
  6. Step 6: Final answer
    x = 2,834.08

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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.