Home / 3,525.77-5,288.70-928.73

Finding the Fourth Proportional to 3,525.77, 5,288.70 and 928.73

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Solution

The fourth proportional to 3,525.77, 5,288.70 and 928.73 is: 1,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.77 : 5,288.70 = 928.73 : x
  2. Step 2: Convert to fraction form
    3,525.77/5,288.70 = 928.73/x
  3. Step 3: Cross multiply
    3,525.77x = 5,288.70 × 928.73
  4. Step 4: Simplify right side
    3,525.77x = 4,911,774.35
  5. Step 5: Solve for x
    x = 4,911,774.35/3,525.77
  6. Step 6: Final answer
    x = 1,393.11

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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.