Home / 8,928.45-13,391.60-2,355.17

Finding the Fourth Proportional to 8,928.45, 13,391.60 and 2,355.17

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Solution

The fourth proportional to 8,928.45, 13,391.60 and 2,355.17 is: 3,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.45 : 13,391.60 = 2,355.17 : x
  2. Step 2: Convert to fraction form
    8,928.45/13,391.60 = 2,355.17/x
  3. Step 3: Cross multiply
    8,928.45x = 13,391.60 × 2,355.17
  4. Step 4: Simplify right side
    8,928.45x = 31,539,415.84
  5. Step 5: Solve for x
    x = 31,539,415.84/8,928.45
  6. Step 6: Final answer
    x = 3,532.46

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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.