Home / 6,629.58-9,145.76-4,238.93

Finding the Fourth Proportional to 6,629.58, 9,145.76 and 4,238.93

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Solution

The fourth proportional to 6,629.58, 9,145.76 and 4,238.93 is: 5,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.58 : 9,145.76 = 4,238.93 : x
  2. Step 2: Convert to fraction form
    6,629.58/9,145.76 = 4,238.93/x
  3. Step 3: Cross multiply
    6,629.58x = 9,145.76 × 4,238.93
  4. Step 4: Simplify right side
    6,629.58x = 38,768,238.11
  5. Step 5: Solve for x
    x = 38,768,238.11/6,629.58
  6. Step 6: Final answer
    x = 5,847.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.