Home / 5,240.30-7,860.77-1,952.28

Finding the Fourth Proportional to 5,240.30, 7,860.77 and 1,952.28

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Solution

The fourth proportional to 5,240.30, 7,860.77 and 1,952.28 is: 2,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.30 : 7,860.77 = 1,952.28 : x
  2. Step 2: Convert to fraction form
    5,240.30/7,860.77 = 1,952.28/x
  3. Step 3: Cross multiply
    5,240.30x = 7,860.77 × 1,952.28
  4. Step 4: Simplify right side
    5,240.30x = 15,346,405.00
  5. Step 5: Solve for x
    x = 15,346,405.00/5,240.30
  6. Step 6: Final answer
    x = 2,928.54

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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.