Home / 7,211.32-10,816.04-2,281.46

Finding the Fourth Proportional to 7,211.32, 10,816.04 and 2,281.46

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Solution

The fourth proportional to 7,211.32, 10,816.04 and 2,281.46 is: 3,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.32 : 10,816.04 = 2,281.46 : x
  2. Step 2: Convert to fraction form
    7,211.32/10,816.04 = 2,281.46/x
  3. Step 3: Cross multiply
    7,211.32x = 10,816.04 × 2,281.46
  4. Step 4: Simplify right side
    7,211.32x = 24,676,362.62
  5. Step 5: Solve for x
    x = 24,676,362.62/7,211.32
  6. Step 6: Final answer
    x = 3,421.89

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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.