Home / 7,685.54-11,525.03-3,240.29

Finding the Fourth Proportional to 7,685.54, 11,525.03 and 3,240.29

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Solution

The fourth proportional to 7,685.54, 11,525.03 and 3,240.29 is: 4,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.54 : 11,525.03 = 3,240.29 : x
  2. Step 2: Convert to fraction form
    7,685.54/11,525.03 = 3,240.29/x
  3. Step 3: Cross multiply
    7,685.54x = 11,525.03 × 3,240.29
  4. Step 4: Simplify right side
    7,685.54x = 37,344,423.26
  5. Step 5: Solve for x
    x = 37,344,423.26/7,685.54
  6. Step 6: Final answer
    x = 4,859.05

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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.