Home / 5,235.32-7,852.96-1,286.59

Finding the Fourth Proportional to 5,235.32, 7,852.96 and 1,286.59

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Solution

The fourth proportional to 5,235.32, 7,852.96 and 1,286.59 is: 1,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.32 : 7,852.96 = 1,286.59 : x
  2. Step 2: Convert to fraction form
    5,235.32/7,852.96 = 1,286.59/x
  3. Step 3: Cross multiply
    5,235.32x = 7,852.96 × 1,286.59
  4. Step 4: Simplify right side
    5,235.32x = 10,103,539.81
  5. Step 5: Solve for x
    x = 10,103,539.81/5,235.32
  6. Step 6: Final answer
    x = 1,929.88

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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.