Home / 5,235.09-7,852.63-1,339.19

Finding the Fourth Proportional to 5,235.09, 7,852.63 and 1,339.19

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Solution

The fourth proportional to 5,235.09, 7,852.63 and 1,339.19 is: 2,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.09 : 7,852.63 = 1,339.19 : x
  2. Step 2: Convert to fraction form
    5,235.09/7,852.63 = 1,339.19/x
  3. Step 3: Cross multiply
    5,235.09x = 7,852.63 × 1,339.19
  4. Step 4: Simplify right side
    5,235.09x = 10,516,163.57
  5. Step 5: Solve for x
    x = 10,516,163.57/5,235.09
  6. Step 6: Final answer
    x = 2,008.78

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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.