Home / 5,311.74-7,330.14-2,953.92

Finding the Fourth Proportional to 5,311.74, 7,330.14 and 2,953.92

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Solution

The fourth proportional to 5,311.74, 7,330.14 and 2,953.92 is: 4,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.74 : 7,330.14 = 2,953.92 : x
  2. Step 2: Convert to fraction form
    5,311.74/7,330.14 = 2,953.92/x
  3. Step 3: Cross multiply
    5,311.74x = 7,330.14 × 2,953.92
  4. Step 4: Simplify right side
    5,311.74x = 21,652,647.15
  5. Step 5: Solve for x
    x = 21,652,647.15/5,311.74
  6. Step 6: Final answer
    x = 4,076.38

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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.