Home / 5,336.55-7,364.45-2,978.84

Finding the Fourth Proportional to 5,336.55, 7,364.45 and 2,978.84

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Solution

The fourth proportional to 5,336.55, 7,364.45 and 2,978.84 is: 4,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.55 : 7,364.45 = 2,978.84 : x
  2. Step 2: Convert to fraction form
    5,336.55/7,364.45 = 2,978.84/x
  3. Step 3: Cross multiply
    5,336.55x = 7,364.45 × 2,978.84
  4. Step 4: Simplify right side
    5,336.55x = 21,937,544.10
  5. Step 5: Solve for x
    x = 21,937,544.10/5,336.55
  6. Step 6: Final answer
    x = 4,110.81

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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.