Home / 7,219.08-10,801.65-5,143.86

Finding the Fourth Proportional to 7,219.08, 10,801.65 and 5,143.86

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Solution

The fourth proportional to 7,219.08, 10,801.65 and 5,143.86 is: 7,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.08 : 10,801.65 = 5,143.86 : x
  2. Step 2: Convert to fraction form
    7,219.08/10,801.65 = 5,143.86/x
  3. Step 3: Cross multiply
    7,219.08x = 10,801.65 × 5,143.86
  4. Step 4: Simplify right side
    7,219.08x = 55,562,175.37
  5. Step 5: Solve for x
    x = 55,562,175.37/7,219.08
  6. Step 6: Final answer
    x = 7,696.57

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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.