Home / 4,468.15-6,165.78-2,478.64

Finding the Fourth Proportional to 4,468.15, 6,165.78 and 2,478.64

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Solution

The fourth proportional to 4,468.15, 6,165.78 and 2,478.64 is: 3,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,468.15 : 6,165.78 = 2,478.64 : x
  2. Step 2: Convert to fraction form
    4,468.15/6,165.78 = 2,478.64/x
  3. Step 3: Cross multiply
    4,468.15x = 6,165.78 × 2,478.64
  4. Step 4: Simplify right side
    4,468.15x = 15,282,748.94
  5. Step 5: Solve for x
    x = 15,282,748.94/4,468.15
  6. Step 6: Final answer
    x = 3,420.38

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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.