Home / 8,928.41-13,392.52-4,985.57

Finding the Fourth Proportional to 8,928.41, 13,392.52 and 4,985.57

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Solution

The fourth proportional to 8,928.41, 13,392.52 and 4,985.57 is: 7,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.41 : 13,392.52 = 4,985.57 : x
  2. Step 2: Convert to fraction form
    8,928.41/13,392.52 = 4,985.57/x
  3. Step 3: Cross multiply
    8,928.41x = 13,392.52 × 4,985.57
  4. Step 4: Simplify right side
    8,928.41x = 66,769,366.95
  5. Step 5: Solve for x
    x = 66,769,366.95/8,928.41
  6. Step 6: Final answer
    x = 7,478.31

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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.