Home / 4,486.32-6,730.56-1,408.32

Finding the Fourth Proportional to 4,486.32, 6,730.56 and 1,408.32

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Solution

The fourth proportional to 4,486.32, 6,730.56 and 1,408.32 is: 2,112.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.32 : 6,730.56 = 1,408.32 : x
  2. Step 2: Convert to fraction form
    4,486.32/6,730.56 = 1,408.32/x
  3. Step 3: Cross multiply
    4,486.32x = 6,730.56 × 1,408.32
  4. Step 4: Simplify right side
    4,486.32x = 9,478,782.26
  5. Step 5: Solve for x
    x = 9,478,782.26/4,486.32
  6. Step 6: Final answer
    x = 2,112.82

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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.