Home / 9,282.36-12,810.24-5,090.61

Finding the Fourth Proportional to 9,282.36, 12,810.24 and 5,090.61

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Solution

The fourth proportional to 9,282.36, 12,810.24 and 5,090.61 is: 7,025.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282.36 : 12,810.24 = 5,090.61 : x
  2. Step 2: Convert to fraction form
    9,282.36/12,810.24 = 5,090.61/x
  3. Step 3: Cross multiply
    9,282.36x = 12,810.24 × 5,090.61
  4. Step 4: Simplify right side
    9,282.36x = 65,211,935.85
  5. Step 5: Solve for x
    x = 65,211,935.85/9,282.36
  6. Step 6: Final answer
    x = 7,025.36

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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.