Home / 5,324.58-7,987.19-1,627.07

Finding the Fourth Proportional to 5,324.58, 7,987.19 and 1,627.07

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Solution

The fourth proportional to 5,324.58, 7,987.19 and 1,627.07 is: 2,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.58 : 7,987.19 = 1,627.07 : x
  2. Step 2: Convert to fraction form
    5,324.58/7,987.19 = 1,627.07/x
  3. Step 3: Cross multiply
    5,324.58x = 7,987.19 × 1,627.07
  4. Step 4: Simplify right side
    5,324.58x = 12,995,669.16
  5. Step 5: Solve for x
    x = 12,995,669.16/5,324.58
  6. Step 6: Final answer
    x = 2,440.69

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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.