Home / 5,336.36-7,364.50-2,978.84

Finding the Fourth Proportional to 5,336.36, 7,364.50 and 2,978.84

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Solution

The fourth proportional to 5,336.36, 7,364.50 and 2,978.84 is: 4,110.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.36 : 7,364.50 = 2,978.84 : x
  2. Step 2: Convert to fraction form
    5,336.36/7,364.50 = 2,978.84/x
  3. Step 3: Cross multiply
    5,336.36x = 7,364.50 × 2,978.84
  4. Step 4: Simplify right side
    5,336.36x = 21,937,667.18
  5. Step 5: Solve for x
    x = 21,937,667.18/5,336.36
  6. Step 6: Final answer
    x = 4,110.98

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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.