Home / 9,220.79-12,729.93-6,086.09

Finding the Fourth Proportional to 9,220.79, 12,729.93 and 6,086.09

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Solution

The fourth proportional to 9,220.79, 12,729.93 and 6,086.09 is: 8,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.79 : 12,729.93 = 6,086.09 : x
  2. Step 2: Convert to fraction form
    9,220.79/12,729.93 = 6,086.09/x
  3. Step 3: Cross multiply
    9,220.79x = 12,729.93 × 6,086.09
  4. Step 4: Simplify right side
    9,220.79x = 77,475,488.42
  5. Step 5: Solve for x
    x = 77,475,488.42/9,220.79
  6. Step 6: Final answer
    x = 8,402.26

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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.