Home / 6,429.40-9,644.10-2,964.76

Finding the Fourth Proportional to 6,429.40, 9,644.10 and 2,964.76

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Solution

The fourth proportional to 6,429.40, 9,644.10 and 2,964.76 is: 4,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.40 : 9,644.10 = 2,964.76 : x
  2. Step 2: Convert to fraction form
    6,429.40/9,644.10 = 2,964.76/x
  3. Step 3: Cross multiply
    6,429.40x = 9,644.10 × 2,964.76
  4. Step 4: Simplify right side
    6,429.40x = 28,592,441.92
  5. Step 5: Solve for x
    x = 28,592,441.92/6,429.40
  6. Step 6: Final answer
    x = 4,447.14

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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.