Home / 4,087.28-6,132.32-1,314.05

Finding the Fourth Proportional to 4,087.28, 6,132.32 and 1,314.05

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Solution

The fourth proportional to 4,087.28, 6,132.32 and 1,314.05 is: 1,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.28 : 6,132.32 = 1,314.05 : x
  2. Step 2: Convert to fraction form
    4,087.28/6,132.32 = 1,314.05/x
  3. Step 3: Cross multiply
    4,087.28x = 6,132.32 × 1,314.05
  4. Step 4: Simplify right side
    4,087.28x = 8,058,137.86
  5. Step 5: Solve for x
    x = 8,058,137.86/4,087.28
  6. Step 6: Final answer
    x = 1,971.52

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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.