Home / 5,052.48-7,578.87-1,720.68

Finding the Fourth Proportional to 5,052.48, 7,578.87 and 1,720.68

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Solution

The fourth proportional to 5,052.48, 7,578.87 and 1,720.68 is: 2,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.48 : 7,578.87 = 1,720.68 : x
  2. Step 2: Convert to fraction form
    5,052.48/7,578.87 = 1,720.68/x
  3. Step 3: Cross multiply
    5,052.48x = 7,578.87 × 1,720.68
  4. Step 4: Simplify right side
    5,052.48x = 13,040,810.03
  5. Step 5: Solve for x
    x = 13,040,810.03/5,052.48
  6. Step 6: Final answer
    x = 2,581.07

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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.