Home / 8,928.72-13,391.55-2,354.97

Finding the Fourth Proportional to 8,928.72, 13,391.55 and 2,354.97

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Solution

The fourth proportional to 8,928.72, 13,391.55 and 2,354.97 is: 3,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.72 : 13,391.55 = 2,354.97 : x
  2. Step 2: Convert to fraction form
    8,928.72/13,391.55 = 2,354.97/x
  3. Step 3: Cross multiply
    8,928.72x = 13,391.55 × 2,354.97
  4. Step 4: Simplify right side
    8,928.72x = 31,536,698.50
  5. Step 5: Solve for x
    x = 31,536,698.50/8,928.72
  6. Step 6: Final answer
    x = 3,532.05

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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.