Home / 5,987.80-8,262.74-3,298.90

Finding the Fourth Proportional to 5,987.80, 8,262.74 and 3,298.90

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Solution

The fourth proportional to 5,987.80, 8,262.74 and 3,298.90 is: 4,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.80 : 8,262.74 = 3,298.90 : x
  2. Step 2: Convert to fraction form
    5,987.80/8,262.74 = 3,298.90/x
  3. Step 3: Cross multiply
    5,987.80x = 8,262.74 × 3,298.90
  4. Step 4: Simplify right side
    5,987.80x = 27,257,952.99
  5. Step 5: Solve for x
    x = 27,257,952.99/5,987.80
  6. Step 6: Final answer
    x = 4,552.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.