Home / 7,527.28-11,281.42-3,830.44

Finding the Fourth Proportional to 7,527.28, 11,281.42 and 3,830.44

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Solution

The fourth proportional to 7,527.28, 11,281.42 and 3,830.44 is: 5,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.28 : 11,281.42 = 3,830.44 : x
  2. Step 2: Convert to fraction form
    7,527.28/11,281.42 = 3,830.44/x
  3. Step 3: Cross multiply
    7,527.28x = 11,281.42 × 3,830.44
  4. Step 4: Simplify right side
    7,527.28x = 43,212,802.42
  5. Step 5: Solve for x
    x = 43,212,802.42/7,527.28
  6. Step 6: Final answer
    x = 5,740.83

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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.