Home / 7,211.36-10,816.72-4,135.52

Finding the Fourth Proportional to 7,211.36, 10,816.72 and 4,135.52

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Solution

The fourth proportional to 7,211.36, 10,816.72 and 4,135.52 is: 6,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.36 : 10,816.72 = 4,135.52 : x
  2. Step 2: Convert to fraction form
    7,211.36/10,816.72 = 4,135.52/x
  3. Step 3: Cross multiply
    7,211.36x = 10,816.72 × 4,135.52
  4. Step 4: Simplify right side
    7,211.36x = 44,732,761.89
  5. Step 5: Solve for x
    x = 44,732,761.89/7,211.36
  6. Step 6: Final answer
    x = 6,203.10

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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.