Home / 6,549.12-9,820.80-3,087.36

Finding the Fourth Proportional to 6,549.12, 9,820.80 and 3,087.36

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Solution

The fourth proportional to 6,549.12, 9,820.80 and 3,087.36 is: 4,629.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,549.12 : 9,820.80 = 3,087.36 : x
  2. Step 2: Convert to fraction form
    6,549.12/9,820.80 = 3,087.36/x
  3. Step 3: Cross multiply
    6,549.12x = 9,820.80 × 3,087.36
  4. Step 4: Simplify right side
    6,549.12x = 30,320,345.09
  5. Step 5: Solve for x
    x = 30,320,345.09/6,549.12
  6. Step 6: Final answer
    x = 4,629.68

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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.