Home / 5,211.74-7,816.16-2,289.32

Finding the Fourth Proportional to 5,211.74, 7,816.16 and 2,289.32

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Solution

The fourth proportional to 5,211.74, 7,816.16 and 2,289.32 is: 3,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.74 : 7,816.16 = 2,289.32 : x
  2. Step 2: Convert to fraction form
    5,211.74/7,816.16 = 2,289.32/x
  3. Step 3: Cross multiply
    5,211.74x = 7,816.16 × 2,289.32
  4. Step 4: Simplify right side
    5,211.74x = 17,893,691.41
  5. Step 5: Solve for x
    x = 17,893,691.41/5,211.74
  6. Step 6: Final answer
    x = 3,433.34

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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.