Home / 6,391.12-9,588.21-2,008.58

Finding the Fourth Proportional to 6,391.12, 9,588.21 and 2,008.58

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Solution

The fourth proportional to 6,391.12, 9,588.21 and 2,008.58 is: 3,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.12 : 9,588.21 = 2,008.58 : x
  2. Step 2: Convert to fraction form
    6,391.12/9,588.21 = 2,008.58/x
  3. Step 3: Cross multiply
    6,391.12x = 9,588.21 × 2,008.58
  4. Step 4: Simplify right side
    6,391.12x = 19,258,686.84
  5. Step 5: Solve for x
    x = 19,258,686.84/6,391.12
  6. Step 6: Final answer
    x = 3,013.35

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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.