Home / 6,520.25-9,782.40-1,903.25

Finding the Fourth Proportional to 6,520.25, 9,782.40 and 1,903.25

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Solution

The fourth proportional to 6,520.25, 9,782.40 and 1,903.25 is: 2,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.25 : 9,782.40 = 1,903.25 : x
  2. Step 2: Convert to fraction form
    6,520.25/9,782.40 = 1,903.25/x
  3. Step 3: Cross multiply
    6,520.25x = 9,782.40 × 1,903.25
  4. Step 4: Simplify right side
    6,520.25x = 18,618,352.80
  5. Step 5: Solve for x
    x = 18,618,352.80/6,520.25
  6. Step 6: Final answer
    x = 2,855.47

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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.