Home / 4,876.20-7,322.81-4,322.16

Finding the Fourth Proportional to 4,876.20, 7,322.81 and 4,322.16

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Solution

The fourth proportional to 4,876.20, 7,322.81 and 4,322.16 is: 6,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.20 : 7,322.81 = 4,322.16 : x
  2. Step 2: Convert to fraction form
    4,876.20/7,322.81 = 4,322.16/x
  3. Step 3: Cross multiply
    4,876.20x = 7,322.81 × 4,322.16
  4. Step 4: Simplify right side
    4,876.20x = 31,650,334.86
  5. Step 5: Solve for x
    x = 31,650,334.86/4,876.20
  6. Step 6: Final answer
    x = 6,490.78

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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.