Home / 7,686.93-11,530.79-3,525.05

Finding the Fourth Proportional to 7,686.93, 11,530.79 and 3,525.05

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Solution

The fourth proportional to 7,686.93, 11,530.79 and 3,525.05 is: 5,287.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.93 : 11,530.79 = 3,525.05 : x
  2. Step 2: Convert to fraction form
    7,686.93/11,530.79 = 3,525.05/x
  3. Step 3: Cross multiply
    7,686.93x = 11,530.79 × 3,525.05
  4. Step 4: Simplify right side
    7,686.93x = 40,646,635.71
  5. Step 5: Solve for x
    x = 40,646,635.71/7,686.93
  6. Step 6: Final answer
    x = 5,287.76

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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.