Home / 7,225.80-10,835.28-3,330.60

Finding the Fourth Proportional to 7,225.80, 10,835.28 and 3,330.60

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Solution

The fourth proportional to 7,225.80, 10,835.28 and 3,330.60 is: 4,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.80 : 10,835.28 = 3,330.60 : x
  2. Step 2: Convert to fraction form
    7,225.80/10,835.28 = 3,330.60/x
  3. Step 3: Cross multiply
    7,225.80x = 10,835.28 × 3,330.60
  4. Step 4: Simplify right side
    7,225.80x = 36,087,983.57
  5. Step 5: Solve for x
    x = 36,087,983.57/7,225.80
  6. Step 6: Final answer
    x = 4,994.32

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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.