Home / 9,211.48-12,722.40-6,081.64

Finding the Fourth Proportional to 9,211.48, 12,722.40 and 6,081.64

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Solution

The fourth proportional to 9,211.48, 12,722.40 and 6,081.64 is: 8,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.48 : 12,722.40 = 6,081.64 : x
  2. Step 2: Convert to fraction form
    9,211.48/12,722.40 = 6,081.64/x
  3. Step 3: Cross multiply
    9,211.48x = 12,722.40 × 6,081.64
  4. Step 4: Simplify right side
    9,211.48x = 77,373,056.74
  5. Step 5: Solve for x
    x = 77,373,056.74/9,211.48
  6. Step 6: Final answer
    x = 8,399.63

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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.