Home / 6,523.02-9,782.48-2,139.48

Finding the Fourth Proportional to 6,523.02, 9,782.48 and 2,139.48

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Solution

The fourth proportional to 6,523.02, 9,782.48 and 2,139.48 is: 3,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,523.02 : 9,782.48 = 2,139.48 : x
  2. Step 2: Convert to fraction form
    6,523.02/9,782.48 = 2,139.48/x
  3. Step 3: Cross multiply
    6,523.02x = 9,782.48 × 2,139.48
  4. Step 4: Simplify right side
    6,523.02x = 20,929,425.66
  5. Step 5: Solve for x
    x = 20,929,425.66/6,523.02
  6. Step 6: Final answer
    x = 3,208.55

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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.