Home / 4,340.67-6,479.58-3,815.21

Finding the Fourth Proportional to 4,340.67, 6,479.58 and 3,815.21

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Solution

The fourth proportional to 4,340.67, 6,479.58 and 3,815.21 is: 5,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.67 : 6,479.58 = 3,815.21 : x
  2. Step 2: Convert to fraction form
    4,340.67/6,479.58 = 3,815.21/x
  3. Step 3: Cross multiply
    4,340.67x = 6,479.58 × 3,815.21
  4. Step 4: Simplify right side
    4,340.67x = 24,720,926.01
  5. Step 5: Solve for x
    x = 24,720,926.01/4,340.67
  6. Step 6: Final answer
    x = 5,695.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.