Home / 7,339.79-11,009.28-2,408.78

Finding the Fourth Proportional to 7,339.79, 11,009.28 and 2,408.78

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Solution

The fourth proportional to 7,339.79, 11,009.28 and 2,408.78 is: 3,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.79 : 11,009.28 = 2,408.78 : x
  2. Step 2: Convert to fraction form
    7,339.79/11,009.28 = 2,408.78/x
  3. Step 3: Cross multiply
    7,339.79x = 11,009.28 × 2,408.78
  4. Step 4: Simplify right side
    7,339.79x = 26,518,878.43
  5. Step 5: Solve for x
    x = 26,518,878.43/7,339.79
  6. Step 6: Final answer
    x = 3,613.03

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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.