Home / 8,928.78-13,393.30-2,355.62

Finding the Fourth Proportional to 8,928.78, 13,393.30 and 2,355.62

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Solution

The fourth proportional to 8,928.78, 13,393.30 and 2,355.62 is: 3,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.78 : 13,393.30 = 2,355.62 : x
  2. Step 2: Convert to fraction form
    8,928.78/13,393.30 = 2,355.62/x
  3. Step 3: Cross multiply
    8,928.78x = 13,393.30 × 2,355.62
  4. Step 4: Simplify right side
    8,928.78x = 31,549,525.35
  5. Step 5: Solve for x
    x = 31,549,525.35/8,928.78
  6. Step 6: Final answer
    x = 3,533.46

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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.