Home / 4,621.24-6,378.51-2,829.32

Finding the Fourth Proportional to 4,621.24, 6,378.51 and 2,829.32

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Solution

The fourth proportional to 4,621.24, 6,378.51 and 2,829.32 is: 3,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.24 : 6,378.51 = 2,829.32 : x
  2. Step 2: Convert to fraction form
    4,621.24/6,378.51 = 2,829.32/x
  3. Step 3: Cross multiply
    4,621.24x = 6,378.51 × 2,829.32
  4. Step 4: Simplify right side
    4,621.24x = 18,046,845.91
  5. Step 5: Solve for x
    x = 18,046,845.91/4,621.24
  6. Step 6: Final answer
    x = 3,905.20

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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.