Home / 4,429.96-6,643.68-1,310.20

Finding the Fourth Proportional to 4,429.96, 6,643.68 and 1,310.20

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Solution

The fourth proportional to 4,429.96, 6,643.68 and 1,310.20 is: 1,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.96 : 6,643.68 = 1,310.20 : x
  2. Step 2: Convert to fraction form
    4,429.96/6,643.68 = 1,310.20/x
  3. Step 3: Cross multiply
    4,429.96x = 6,643.68 × 1,310.20
  4. Step 4: Simplify right side
    4,429.96x = 8,704,549.54
  5. Step 5: Solve for x
    x = 8,704,549.54/4,429.96
  6. Step 6: Final answer
    x = 1,964.93

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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.