Home / 8,259.36-12,385.98-2,711.64

Finding the Fourth Proportional to 8,259.36, 12,385.98 and 2,711.64

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Solution

The fourth proportional to 8,259.36, 12,385.98 and 2,711.64 is: 4,066.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.36 : 12,385.98 = 2,711.64 : x
  2. Step 2: Convert to fraction form
    8,259.36/12,385.98 = 2,711.64/x
  3. Step 3: Cross multiply
    8,259.36x = 12,385.98 × 2,711.64
  4. Step 4: Simplify right side
    8,259.36x = 33,586,318.81
  5. Step 5: Solve for x
    x = 33,586,318.81/8,259.36
  6. Step 6: Final answer
    x = 4,066.46

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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.