Home / 9,220.42-12,723.64-5,684.77

Finding the Fourth Proportional to 9,220.42, 12,723.64 and 5,684.77

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Solution

The fourth proportional to 9,220.42, 12,723.64 and 5,684.77 is: 7,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.42 : 12,723.64 = 5,684.77 : x
  2. Step 2: Convert to fraction form
    9,220.42/12,723.64 = 5,684.77/x
  3. Step 3: Cross multiply
    9,220.42x = 12,723.64 × 5,684.77
  4. Step 4: Simplify right side
    9,220.42x = 72,330,966.96
  5. Step 5: Solve for x
    x = 72,330,966.96/9,220.42
  6. Step 6: Final answer
    x = 7,844.65

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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.