Home / 4,819.36-6,648.56-3,405.08

Finding the Fourth Proportional to 4,819.36, 6,648.56 and 3,405.08

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Solution

The fourth proportional to 4,819.36, 6,648.56 and 3,405.08 is: 4,697.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.36 : 6,648.56 = 3,405.08 : x
  2. Step 2: Convert to fraction form
    4,819.36/6,648.56 = 3,405.08/x
  3. Step 3: Cross multiply
    4,819.36x = 6,648.56 × 3,405.08
  4. Step 4: Simplify right side
    4,819.36x = 22,638,878.68
  5. Step 5: Solve for x
    x = 22,638,878.68/4,819.36
  6. Step 6: Final answer
    x = 4,697.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.