Home / 8,928.87-13,393.95-2,355

Finding the Fourth Proportional to 8,928.87, 13,393.95 and 2,355

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Solution

The fourth proportional to 8,928.87, 13,393.95 and 2,355 is: 3,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.87 : 13,393.95 = 2,355 : x
  2. Step 2: Convert to fraction form
    8,928.87/13,393.95 = 2,355/x
  3. Step 3: Cross multiply
    8,928.87x = 13,393.95 × 2,355
  4. Step 4: Simplify right side
    8,928.87x = 31,542,752.25
  5. Step 5: Solve for x
    x = 31,542,752.25/8,928.87
  6. Step 6: Final answer
    x = 3,532.67

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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.