Home / 7,429.66-11,145.18-2,687.01

Finding the Fourth Proportional to 7,429.66, 11,145.18 and 2,687.01

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Solution

The fourth proportional to 7,429.66, 11,145.18 and 2,687.01 is: 4,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.66 : 11,145.18 = 2,687.01 : x
  2. Step 2: Convert to fraction form
    7,429.66/11,145.18 = 2,687.01/x
  3. Step 3: Cross multiply
    7,429.66x = 11,145.18 × 2,687.01
  4. Step 4: Simplify right side
    7,429.66x = 29,947,221.63
  5. Step 5: Solve for x
    x = 29,947,221.63/7,429.66
  6. Step 6: Final answer
    x = 4,030.77

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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.