Home / 4,322.45-5,965.51-2,830.74

Finding the Fourth Proportional to 4,322.45, 5,965.51 and 2,830.74

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Solution

The fourth proportional to 4,322.45, 5,965.51 and 2,830.74 is: 3,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.45 : 5,965.51 = 2,830.74 : x
  2. Step 2: Convert to fraction form
    4,322.45/5,965.51 = 2,830.74/x
  3. Step 3: Cross multiply
    4,322.45x = 5,965.51 × 2,830.74
  4. Step 4: Simplify right side
    4,322.45x = 16,886,807.78
  5. Step 5: Solve for x
    x = 16,886,807.78/4,322.45
  6. Step 6: Final answer
    x = 3,906.77

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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.