Home / 6,429.20-8,872.02-3,596.84

Finding the Fourth Proportional to 6,429.20, 8,872.02 and 3,596.84

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Solution

The fourth proportional to 6,429.20, 8,872.02 and 3,596.84 is: 4,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.20 : 8,872.02 = 3,596.84 : x
  2. Step 2: Convert to fraction form
    6,429.20/8,872.02 = 3,596.84/x
  3. Step 3: Cross multiply
    6,429.20x = 8,872.02 × 3,596.84
  4. Step 4: Simplify right side
    6,429.20x = 31,911,236.42
  5. Step 5: Solve for x
    x = 31,911,236.42/6,429.20
  6. Step 6: Final answer
    x = 4,963.48

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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.