Home / 5,072.95-7,609.85-1,325.22

Finding the Fourth Proportional to 5,072.95, 7,609.85 and 1,325.22

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Solution

The fourth proportional to 5,072.95, 7,609.85 and 1,325.22 is: 1,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.95 : 7,609.85 = 1,325.22 : x
  2. Step 2: Convert to fraction form
    5,072.95/7,609.85 = 1,325.22/x
  3. Step 3: Cross multiply
    5,072.95x = 7,609.85 × 1,325.22
  4. Step 4: Simplify right side
    5,072.95x = 10,084,738.03
  5. Step 5: Solve for x
    x = 10,084,738.03/5,072.95
  6. Step 6: Final answer
    x = 1,987.95

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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.