Home / 4,087.52-6,131.28-1,009.52

Finding the Fourth Proportional to 4,087.52, 6,131.28 and 1,009.52

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Solution

The fourth proportional to 4,087.52, 6,131.28 and 1,009.52 is: 1,514.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.52 : 6,131.28 = 1,009.52 : x
  2. Step 2: Convert to fraction form
    4,087.52/6,131.28 = 1,009.52/x
  3. Step 3: Cross multiply
    4,087.52x = 6,131.28 × 1,009.52
  4. Step 4: Simplify right side
    4,087.52x = 6,189,649.79
  5. Step 5: Solve for x
    x = 6,189,649.79/4,087.52
  6. Step 6: Final answer
    x = 1,514.28

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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.