Home / 8,727.84-12,035.12-6,486.03

Finding the Fourth Proportional to 8,727.84, 12,035.12 and 6,486.03

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Solution

The fourth proportional to 8,727.84, 12,035.12 and 6,486.03 is: 8,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.84 : 12,035.12 = 6,486.03 : x
  2. Step 2: Convert to fraction form
    8,727.84/12,035.12 = 6,486.03/x
  3. Step 3: Cross multiply
    8,727.84x = 12,035.12 × 6,486.03
  4. Step 4: Simplify right side
    8,727.84x = 78,060,116.94
  5. Step 5: Solve for x
    x = 78,060,116.94/8,727.84
  6. Step 6: Final answer
    x = 8,943.81

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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.