Home / 4,312.05-6,464.80-2,230.73

Finding the Fourth Proportional to 4,312.05, 6,464.80 and 2,230.73

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Solution

The fourth proportional to 4,312.05, 6,464.80 and 2,230.73 is: 3,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.05 : 6,464.80 = 2,230.73 : x
  2. Step 2: Convert to fraction form
    4,312.05/6,464.80 = 2,230.73/x
  3. Step 3: Cross multiply
    4,312.05x = 6,464.80 × 2,230.73
  4. Step 4: Simplify right side
    4,312.05x = 14,421,223.30
  5. Step 5: Solve for x
    x = 14,421,223.30/4,312.05
  6. Step 6: Final answer
    x = 3,344.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.