Home / 8,879.07-13,318.54-2,956.40

Finding the Fourth Proportional to 8,879.07, 13,318.54 and 2,956.40

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Solution

The fourth proportional to 8,879.07, 13,318.54 and 2,956.40 is: 4,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.07 : 13,318.54 = 2,956.40 : x
  2. Step 2: Convert to fraction form
    8,879.07/13,318.54 = 2,956.40/x
  3. Step 3: Cross multiply
    8,879.07x = 13,318.54 × 2,956.40
  4. Step 4: Simplify right side
    8,879.07x = 39,374,857.67
  5. Step 5: Solve for x
    x = 39,374,857.67/8,879.07
  6. Step 6: Final answer
    x = 4,434.57

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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.