Home / 9,224.85-12,727.47-6,387.84

Finding the Fourth Proportional to 9,224.85, 12,727.47 and 6,387.84

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Solution

The fourth proportional to 9,224.85, 12,727.47 and 6,387.84 is: 8,813.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,224.85 : 12,727.47 = 6,387.84 : x
  2. Step 2: Convert to fraction form
    9,224.85/12,727.47 = 6,387.84/x
  3. Step 3: Cross multiply
    9,224.85x = 12,727.47 × 6,387.84
  4. Step 4: Simplify right side
    9,224.85x = 81,301,041.96
  5. Step 5: Solve for x
    x = 81,301,041.96/9,224.85
  6. Step 6: Final answer
    x = 8,813.26

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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.