Home / 9,133.43-12,612.65-6,722.25

Finding the Fourth Proportional to 9,133.43, 12,612.65 and 6,722.25

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Solution

The fourth proportional to 9,133.43, 12,612.65 and 6,722.25 is: 9,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.43 : 12,612.65 = 6,722.25 : x
  2. Step 2: Convert to fraction form
    9,133.43/12,612.65 = 6,722.25/x
  3. Step 3: Cross multiply
    9,133.43x = 12,612.65 × 6,722.25
  4. Step 4: Simplify right side
    9,133.43x = 84,785,352.85
  5. Step 5: Solve for x
    x = 84,785,352.85/9,133.43
  6. Step 6: Final answer
    x = 9,282.97

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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.