Home / 5,072.74-7,610.13-1,788.16

Finding the Fourth Proportional to 5,072.74, 7,610.13 and 1,788.16

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Solution

The fourth proportional to 5,072.74, 7,610.13 and 1,788.16 is: 2,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.74 : 7,610.13 = 1,788.16 : x
  2. Step 2: Convert to fraction form
    5,072.74/7,610.13 = 1,788.16/x
  3. Step 3: Cross multiply
    5,072.74x = 7,610.13 × 1,788.16
  4. Step 4: Simplify right side
    5,072.74x = 13,608,130.06
  5. Step 5: Solve for x
    x = 13,608,130.06/5,072.74
  6. Step 6: Final answer
    x = 2,682.60

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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.