Home / 6,923.76-9,551.64-4,128.24

Finding the Fourth Proportional to 6,923.76, 9,551.64 and 4,128.24

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Solution

The fourth proportional to 6,923.76, 9,551.64 and 4,128.24 is: 5,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.76 : 9,551.64 = 4,128.24 : x
  2. Step 2: Convert to fraction form
    6,923.76/9,551.64 = 4,128.24/x
  3. Step 3: Cross multiply
    6,923.76x = 9,551.64 × 4,128.24
  4. Step 4: Simplify right side
    6,923.76x = 39,431,462.31
  5. Step 5: Solve for x
    x = 39,431,462.31/6,923.76
  6. Step 6: Final answer
    x = 5,695.09

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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.