Home / 7,686.12-10,584.48-6,677.36

Finding the Fourth Proportional to 7,686.12, 10,584.48 and 6,677.36

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Solution

The fourth proportional to 7,686.12, 10,584.48 and 6,677.36 is: 9,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.12 : 10,584.48 = 6,677.36 : x
  2. Step 2: Convert to fraction form
    7,686.12/10,584.48 = 6,677.36/x
  3. Step 3: Cross multiply
    7,686.12x = 10,584.48 × 6,677.36
  4. Step 4: Simplify right side
    7,686.12x = 70,676,383.37
  5. Step 5: Solve for x
    x = 70,676,383.37/7,686.12
  6. Step 6: Final answer
    x = 9,195.33

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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.