Home / 7,426.07-11,139.29-2,160.86

Finding the Fourth Proportional to 7,426.07, 11,139.29 and 2,160.86

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Solution

The fourth proportional to 7,426.07, 11,139.29 and 2,160.86 is: 3,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.07 : 11,139.29 = 2,160.86 : x
  2. Step 2: Convert to fraction form
    7,426.07/11,139.29 = 2,160.86/x
  3. Step 3: Cross multiply
    7,426.07x = 11,139.29 × 2,160.86
  4. Step 4: Simplify right side
    7,426.07x = 24,070,479.44
  5. Step 5: Solve for x
    x = 24,070,479.44/7,426.07
  6. Step 6: Final answer
    x = 3,241.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.