Home / 4,445.60-6,140.78-3,410.44

Finding the Fourth Proportional to 4,445.60, 6,140.78 and 3,410.44

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Solution

The fourth proportional to 4,445.60, 6,140.78 and 3,410.44 is: 4,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.60 : 6,140.78 = 3,410.44 : x
  2. Step 2: Convert to fraction form
    4,445.60/6,140.78 = 3,410.44/x
  3. Step 3: Cross multiply
    4,445.60x = 6,140.78 × 3,410.44
  4. Step 4: Simplify right side
    4,445.60x = 20,942,761.74
  5. Step 5: Solve for x
    x = 20,942,761.74/4,445.60
  6. Step 6: Final answer
    x = 4,710.90

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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.