Home / 5,342.85-8,019.18-2,880.09

Finding the Fourth Proportional to 5,342.85, 8,019.18 and 2,880.09

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Solution

The fourth proportional to 5,342.85, 8,019.18 and 2,880.09 is: 4,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.85 : 8,019.18 = 2,880.09 : x
  2. Step 2: Convert to fraction form
    5,342.85/8,019.18 = 2,880.09/x
  3. Step 3: Cross multiply
    5,342.85x = 8,019.18 × 2,880.09
  4. Step 4: Simplify right side
    5,342.85x = 23,095,960.13
  5. Step 5: Solve for x
    x = 23,095,960.13/5,342.85
  6. Step 6: Final answer
    x = 4,322.78

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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.