Home / 7,685.80-11,526.88-3,523.22

Finding the Fourth Proportional to 7,685.80, 11,526.88 and 3,523.22

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Solution

The fourth proportional to 7,685.80, 11,526.88 and 3,523.22 is: 5,284.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.80 : 11,526.88 = 3,523.22 : x
  2. Step 2: Convert to fraction form
    7,685.80/11,526.88 = 3,523.22/x
  3. Step 3: Cross multiply
    7,685.80x = 11,526.88 × 3,523.22
  4. Step 4: Simplify right side
    7,685.80x = 40,611,734.15
  5. Step 5: Solve for x
    x = 40,611,734.15/7,685.80
  6. Step 6: Final answer
    x = 5,284.00

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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.