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Finding the Fourth Proportional to 4,259.63, 6,384.03 and 1,917.12

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Solution

The fourth proportional to 4,259.63, 6,384.03 and 1,917.12 is: 2,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.63 : 6,384.03 = 1,917.12 : x
  2. Step 2: Convert to fraction form
    4,259.63/6,384.03 = 1,917.12/x
  3. Step 3: Cross multiply
    4,259.63x = 6,384.03 × 1,917.12
  4. Step 4: Simplify right side
    4,259.63x = 12,238,951.59
  5. Step 5: Solve for x
    x = 12,238,951.59/4,259.63
  6. Step 6: Final answer
    x = 2,873.25

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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.