Home / 5,280.57-7,284.26-3,392.43

Finding the Fourth Proportional to 5,280.57, 7,284.26 and 3,392.43

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Solution

The fourth proportional to 5,280.57, 7,284.26 and 3,392.43 is: 4,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.57 : 7,284.26 = 3,392.43 : x
  2. Step 2: Convert to fraction form
    5,280.57/7,284.26 = 3,392.43/x
  3. Step 3: Cross multiply
    5,280.57x = 7,284.26 × 3,392.43
  4. Step 4: Simplify right side
    5,280.57x = 24,711,342.15
  5. Step 5: Solve for x
    x = 24,711,342.15/5,280.57
  6. Step 6: Final answer
    x = 4,679.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.