Home / 4,658.72-6,438.22-3,818.07

Finding the Fourth Proportional to 4,658.72, 6,438.22 and 3,818.07

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Solution

The fourth proportional to 4,658.72, 6,438.22 and 3,818.07 is: 5,276.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.72 : 6,438.22 = 3,818.07 : x
  2. Step 2: Convert to fraction form
    4,658.72/6,438.22 = 3,818.07/x
  3. Step 3: Cross multiply
    4,658.72x = 6,438.22 × 3,818.07
  4. Step 4: Simplify right side
    4,658.72x = 24,581,565.09
  5. Step 5: Solve for x
    x = 24,581,565.09/4,658.72
  6. Step 6: Final answer
    x = 5,276.47

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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.