Home / 6,910.24-9,535.78-3,925.68

Finding the Fourth Proportional to 6,910.24, 9,535.78 and 3,925.68

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Solution

The fourth proportional to 6,910.24, 9,535.78 and 3,925.68 is: 5,417.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.24 : 9,535.78 = 3,925.68 : x
  2. Step 2: Convert to fraction form
    6,910.24/9,535.78 = 3,925.68/x
  3. Step 3: Cross multiply
    6,910.24x = 9,535.78 × 3,925.68
  4. Step 4: Simplify right side
    6,910.24x = 37,434,420.83
  5. Step 5: Solve for x
    x = 37,434,420.83/6,910.24
  6. Step 6: Final answer
    x = 5,417.24

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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.