Home / 7,782.02-11,675.07-2,587.94

Finding the Fourth Proportional to 7,782.02, 11,675.07 and 2,587.94

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Solution

The fourth proportional to 7,782.02, 11,675.07 and 2,587.94 is: 3,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.02 : 11,675.07 = 2,587.94 : x
  2. Step 2: Convert to fraction form
    7,782.02/11,675.07 = 2,587.94/x
  3. Step 3: Cross multiply
    7,782.02x = 11,675.07 × 2,587.94
  4. Step 4: Simplify right side
    7,782.02x = 30,214,380.66
  5. Step 5: Solve for x
    x = 30,214,380.66/7,782.02
  6. Step 6: Final answer
    x = 3,882.59

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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.