Home / 7,429.64-11,145.52-2,235.92

Finding the Fourth Proportional to 7,429.64, 11,145.52 and 2,235.92

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Solution

The fourth proportional to 7,429.64, 11,145.52 and 2,235.92 is: 3,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.64 : 11,145.52 = 2,235.92 : x
  2. Step 2: Convert to fraction form
    7,429.64/11,145.52 = 2,235.92/x
  3. Step 3: Cross multiply
    7,429.64x = 11,145.52 × 2,235.92
  4. Step 4: Simplify right side
    7,429.64x = 24,920,491.08
  5. Step 5: Solve for x
    x = 24,920,491.08/7,429.64
  6. Step 6: Final answer
    x = 3,354.20

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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.