Home / 4,894.32-6,755.16-3,125.60

Finding the Fourth Proportional to 4,894.32, 6,755.16 and 3,125.60

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Solution

The fourth proportional to 4,894.32, 6,755.16 and 3,125.60 is: 4,313.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.32 : 6,755.16 = 3,125.60 : x
  2. Step 2: Convert to fraction form
    4,894.32/6,755.16 = 3,125.60/x
  3. Step 3: Cross multiply
    4,894.32x = 6,755.16 × 3,125.60
  4. Step 4: Simplify right side
    4,894.32x = 21,113,928.10
  5. Step 5: Solve for x
    x = 21,113,928.10/4,894.32
  6. Step 6: Final answer
    x = 4,313.97

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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.