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Finding the Fourth Proportional to 4,313.76, 6,465.64 and 1,844.88

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Solution

The fourth proportional to 4,313.76, 6,465.64 and 1,844.88 is: 2,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.76 : 6,465.64 = 1,844.88 : x
  2. Step 2: Convert to fraction form
    4,313.76/6,465.64 = 1,844.88/x
  3. Step 3: Cross multiply
    4,313.76x = 6,465.64 × 1,844.88
  4. Step 4: Simplify right side
    4,313.76x = 11,928,329.92
  5. Step 5: Solve for x
    x = 11,928,329.92/4,313.76
  6. Step 6: Final answer
    x = 2,765.18

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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.